Display method
Self tutor
28 views

Tutor Num 166678

Hong Kong Metropolitan University | College Student (degree)
GeographyEnglishMathsdesign and technology
Home tutoring
Tutoring form
1 year
Tutoring Exp
$140+
Hourly tuition
【基本情況】 本人為25年DSE畢業生,讀廖寶珊紀念書院,本人相對耐心,對題目理解、解題獨有一套思考方法,可分享給學生相關技巧; 【個人成績】 本人在學成績優異,DSE Best 5 21,今年再考數學預期能獲5,由此深知數學由4提升至5水平的要訣,能夠助學生更上一層樓; 【教學/補習經歷】 本人有一年擔任補習社數學導師的經驗,學生包括小學至應屆DSE考生; 【個人優勢】 可提供by topic的練習和筆記,讓學生更容易溫習和吸收
Self tutor
189 views

Tutor Num 166676

Undergraduate Student (non-degree)
MathsChemistryInformation and Communication Technology(ICT)Citizenship and Social Development
Home tutoring
Tutoring form
2 years
Tutoring Exp
$200+
Hourly tuition
【DSE S4-S5 物理及數學專科導師】 👋 導師簡介 您好!我是 Chan Sir,現正就讀 HKU SPACE CC 電子工程主題 (Electronic Theme),大專成績極為優異,最新 CGPA 高達 3.91 / 4。 🎯 教學定位與優勢 逆襲經驗,深知盲點:我經歷過 DSE 的洗禮,完全明白中四、中五學生在建立物理邏輯、理解力學、熱學公式時的「卡關」位。我有一套將複雜公式轉化為簡單概念的方法,告別死記硬背。 工程專業,概念清析:現時大專深造電子工程,對物理及應用數學有更深厚、更高層次的理解,能深入淺出解釋 S4/S5 的課程重點。 針對基礎,重拾信心:專為目標在 DSE 物理或數學尋求突破、穩三衝四、清好基礎概念的學生而設。 📝 課堂提供 配合學生學校進度的自製清概念筆記 課後 WhatsApp 問書服務,即時解答課業難題
Self tutor
87.6k views

Tutor Num 154434

College Student (degree)
English Literature HLEnglish OralIELTSGerman
Home tutoring
Tutoring form
5 - 10 Years
Tutoring Exp
$280+
Hourly tuition
Current PGCE(English) & QTS offer holder at King’s College London for academic year 2026/27 Level 5 Teaching English as a Foreign Language Course (TEFL) Certification awarded • Ofqual regulated Level 5 qualification, DEAC approved (168 hours) Private Tutor Experience • Private Tutor to Tsung Tsin Christian Academy student in English, focusing on grammar and writing • Private Tutor for IB English Language and Literature & Economics SL • Private Tutor for Primary 5 student in grammar and reading in English • Private Tutor to Year 9 CIE IGCSE English as a First Language (0500) student • Previous Private Tutor for University student in Mandarin language skills • Previous Private Tutor to Year 2-3 student in English and international school applications • Previous Private Tutor for qualified lawyer in Cantonese language skills • Previous Private Tutor to GCE A Level Student in University Applications, including successful University of Cambridge application (graduand) • Previous Private Tutor for Primary 5 student in Maths and English • Previous Private Tutor to English A IB Extended Essay student (graduand) • Previous Private Tutor for Year 9-10 student with Autism and ADHD in English Writing Skills • Previous Private Chinese tutor in IB Chinese B SL to student at South Island School (graduand) • Previous Private Tutor to IB Economics at Higher Level student • Previous Private Tutor for Yew Chung International School student in German Language Skills • Previous Private Tutor to St Paul’s Co-educational College student in English in all skills • Previous Private Tutor to IELTS 1st Year University Student • Previous Private Tutor to vocational school student at beginner level for English (all skills) • Previous Private Tutor to associate student for IELTS examination • Previous Private Tutor for an AP Y13 student focusing on English Literature and Exam Techniques (graduand) • Previous Private Tutor for a HKDSE student in English Writing (graduand) • Previous Short-term Private Tutor to HKDSE Student in English Language (graduand) • Previous Private Tutor to 3rd Year University student in English Presentation and Oral Skills • Previous Private English Tutor to Year 9-10 Student transitioning from local school to Korean International School Hong Kong, focusing on the IGCSE English Language Syllabus • Previous Private English and substitute Chinese Tutor to Year 6-7 Student in Korean International School Hong Kong, focusing on building an English as a First Language foundation for a second language speaker • Previous Private Tutor for a primary 3-5 student in Chinese speaking at German Swiss International School, with foreigner student promoted from beginner to intermediate class in international school (lessons taught in German and Chinese) • Previous Private Tutor for Year 11-13 student taking VCE English as a Second Language in Australian Boarding School, ultimately attained 80% in mock examination (improved from 50%, graduand) • Previous Private Tutor for Year 12-13 student taking AP English, improved from 70% to 87% in 6 months (graduand) • Previous Private Tutor for Form 1-2 Student in English at St Paul’s Secondary School Hong Kong in all subjects • Previous Private Tutor for HKAT P5 Chinese, Maths, English and General Studies student at 基恩小學and HKAT English P5-6 at St Paul's Primary Catholic School Assistant Teacher Experience • Previous Part Time Teacher at Star Education Tutorial Centre Hong Kong, primarily responsible for English homework class, previews and small group classes (specialist English teacher) • Previous Part Time Teacher at Lottie Education Tutorial Centre, primarily responsible for homework class, special needs support and small group classes (sat teacher training seminar ) • Responsible for lesson preparation, homework assignments and marking, assessment/quiz preparation & administration and progress and feedback reports to parents on a regular basis in all capacities (private or group) School Observation Experience • Kent Oaks Consortium, Knole Academy, UK • Mulberry UTC, UK • Hornchurch High School, UK Peer Mentorship Experience • Previous Peer Mentor in German lessons for Year 4 at German Swiss International School • Helped conduct classroom activities and lead small group games/whole class games to consolidate the learning students received • Worked closely with top teaching staff to come up with lesson plans and to take on responsibilities such as supporting weaker students individually
31
Self tutor
1.7k views

Tutor Num 165511

The Chinese University of Hong Kong | College Student (degree)
AccountancyMaths EconomicsBAFS
Home tutoring
Tutoring form
3 years
Tutoring Exp
$140+
Hourly tuition
2025 Dser 男導師招學生 (Math, M1, Econ, BAFS) 🎓畢業於觀塘區傳統名校 🌟現就讀中大精算 ⭐️Math 5** M1 5** Econ 5* BAFS 5 💯Dse best 5 29/35 屬全港top3% ‼️2025 Dse Math 史上最難MC奪得44/45佳績 🈲獨門MC skills助你輕鬆提升MC分數 🔢自製program LQ簡化做題步驟 輕鬆秒殺MC ✅有補習經驗 📝有海量名校試卷/補習社資源 可供操練 🧮曾奪得多個奧數競賽獎項 ✍️可上門/其他地方(地點可議)/Zoom
Self tutor
133 views

Tutor Num 166688

Hong Kong Institute of Vocational Education | Undergraduate Student (non-degree)
GeographyEnglishMathsdesign and technology
Home tutoring
Tutoring form
1 year
Tutoring Exp
$140+
Hourly tuition
【基本情況】 本人為23年DSE畢業生,IVE書院,藥劑科高級文憑,亦在9月於都大就讀biomedical science and biotechnology 均為全英授課,本人相對耐心,對題目理解、解題獨有一套思考方法,可分享給學生相關技巧 【個人成績】 本人在學成績中等 英文為3分 【教學/補習經歷】 本人未有補習經驗,以前有指導師弟妹中1的功課,在校也有與同學交流學習; 【個人優勢】 可提供本人編寫的中一至中三個人筆記
Self tutor
126 views

Tutor Num 166657

The Hong Kong Polytechnic University | College Student (degree)
Mathspreschool mathsScienceBiology
Home tutoring
Tutoring form
No Tutoring Experience
Tutoring Exp
$130+
Hourly tuition
Yifan Lu (盧***) PolyU Student Halls of Residence, 1 ****Lai Rd, Hu** Ho***, Hong Kong PROFESSIONAL SUMMARY A highly motivated and communicative undergraduate majoring in Computing and Artificial Intelligence at PolyU (Current GPA: 3.55), with a profound aptitude for mathematics and logical reasoning. Shortlisted for the highly competitive Mathematics Summer Programme at Cambridge University. Equipped with professional experience from ICBC and a strong passion for youth mentorship, evidenced by curriculum design for a volunteer teaching project. Excel in teamwork, strategic planning, and interpersonal communication. EDUCATION The Hong Kong Polytechnic University (PolyU) | Hong Kong Bachelor of Science in Computing and Artificial Intelligence (Sept 2024 – Present) Current GPA: 3.45 Highlight: Ranked top in Calculus. Core coursework emphasizes advanced mathematics, logical reasoning, programming (Python, C++), and data analysis. Girton College, Cambridge University | United Kingdom Mathematics Summer Programme (Aug 2026) Highlight: Shortlisted for this highly competitive programme to undergo intensive mathematical training, demonstrating exceptional quantitative and analytical problem-solving skills. WORK EXPERIENCE Industrial and Commercial Bank of China (ICBC) | Suzhou, China Intern, Gusu Branch (Mar 2026 – May 2026) Assisted in cross-border financial management and daily banking operations. Developed strong professional communication skills, client service awareness, and meticulous data processing capabilities in a fast-paced corporate environment. PROJECT & EXTRACURRICULAR EXPERIENCE Youth STEM Education Volunteer Project | Xinjiang, China Volunteer Teacher & Course Planner (Apr 2026 – Jul 2026) Independently plan a volunteer teaching itinerary and design an introductory AI literacy and STEM curriculum for elementary school students. Translate complex technical concepts into engaging, age-appropriate learning materials. Minyin Hall, PolyU | Hong Kong Editorial Committee Member & Athlete (Sept 2025 – May 2026) Contributed to the editing, photo selection, and production of the hall's academic yearbook (2025/26). Actively participated in hall sports; led the team as a point guard and won the Inter-floor Dodgeball Competition, showcasing strong teamwork and tactical execution. SKILLS & AVAILABILITY Languages: Native Mandarin, Fluent English (PolyU English-medium environment), Proficient Chinese reading/writing. Teaching & Mentoring: Advanced Math (DSE/IB standards), STEM & AI Curriculum Design, Small-group Tutoring. Technical: Python, C++, Data Analysis (Reinforcement Learning & Bayesian Optimization). Availability: June 1, 2026 – July 8, 2026. Available full-time on Tue, Thu, Fri, Sat, Sun. Available Mon & Wed mornings only.
Self tutor
273 views

Tutor Num 166597

College Student (degree)
Maths
Home tutoring
Tutoring form
3 years
Tutoring Exp
$200+
Hourly tuition
【基本情況】 本人畢業於英國諾丁漢特倫特大學(Nottingham Trent University)數學系,取得二級榮譽甲等學位(2:1)。曾於英國完成 GCSE 及大學基礎課程,具備良好的中英文能力。本人有耐性、責任感,擅長以循序漸進的方式講解數學概念,幫助學生建立穩固基礎。我熱愛學習,亦樂於分享知識,幫助學生提升對數學的理解及學習信心。 我相信學習是一個持續探索與成長的過程,教育的價值不僅在於提升成績,更在於培養學生的思考能力、解難能力及自主學習能力。我希望透過耐心及有系統的教學方式,因應學生需要提供適切指導 【個人成績】 GCSE 數學取得 A 成績。大學主修數學,曾修讀線性代數、微積分、概率與統計、圖論及微分方程等課程,成績良好。 【教學/補習經歷】 本人擁有近三年一對一數學補習經驗,主要教授中學程度數學。曾提供面授及網上課堂,能根據學生程度調整教學方式,協助學生理解概念、改善解題技巧及提升學業成績。 【個人優勢】 可按學生需要提供自製筆記及練習。擅長將複雜題目拆解成清晰步驟,著重培養學生的思考方法及解題能力,幫助學生建立信心並提升成績。 【English Profile】 I am a Mathematics graduate from Nottingham Trent University in the UK, where I obtained a Second Class Honours (Upper Division) degree. I am passionate about learning and enjoy helping others develop their understanding and confidence in mathematics. I see learning as a lifelong process, and I believe education is not only about improving grades but also about developing problem-solving skills, independent thinking, and curiosity. I aim to explain concepts clearly and patiently, adapting my teaching approach to suit each student's needs. I have nearly three years of one-to-one mathematics tutoring experience, teaching secondary school students through both online and in-person lessons. I am patient and organised, and I focus on explaining mathematical concepts clearly in a step-by-step manner. My goal is to help students build a strong understanding of mathematics, improve their problem-solving skills, and gain confidence in their studies. I can also provide tailored notes and practice materials based on each student's needs.
Self tutor
350 views

Tutor Num 166652

The Education University of Hong Kong | Master Degree
Martial Arts
Home tutoring
Tutoring form
3 years
Tutoring Exp
$500+
Hourly tuition
【基本情況】 本人為25年文憑畢業生,就讀香港教育大學,可中英授課,本人相對耐心,對題目理解、解題獨有一套思考方法,可分享給學生相關技巧 【個人成績】 職業拳擊戰績 6勝全勝5ko WBF澳洲/亞洲羽量級拳王 2022世界運動會第五名 第10屆亞洲青少年武術錦標賽四銀得主 第七屆世界傳統武術錦標賽 南拳金牌 2023年全港公開武術錦標賽(精英組)南拳南刀金牌 【教學/補習經歷】 本人以就職武術教練三年 【個人優勢】 可提供高水平教學
Self tutor
1.8k views

Tutor Num 166432

The Education University of Hong Kong | College Student (degree)
EnglishMathspreschool mathspreschool chinese
Home tutoring
Tutoring form
2 years
Tutoring Exp
$150+
Hourly tuition
本人畢業於香港專業教育學院幼兒教育高級文憑,現就讀香港教育大學幼兒教育榮譽學士課程,具專業教育資歷。 疫情期間累積豐富網上教學經驗,掌握拍片、剪片及文書處理技巧,熟練使用Word、Excel、PowerPoint等軟件。 我擁有兩年小一至小三數學補習經驗,懂得為學生編合適練習,鞏固學習基礎。曾任小學學生支援教學助理三年多,專責協助SEN學生、跟進學習進度、自製教學教材,懂得疏導學生情緒,深入了解幼小銜接及學童學習需要。 另外亦擔任幼稚園K2、K3班主任,累積豐富幼兒教學經驗。本人對教育充滿熱誠,為人有愛心、耐性及責任感,能夠因材施教,細心照顧每位學生,用心幫助孩子提升學習能力。
Self tutor
560 views

Tutor Num 166602

High School Graduated(DSE)
PianoMathsEnglishvisual arts
Home tutoring
Tutoring form
No Tutoring Experience
Tutoring Exp
$160+
Hourly tuition
本人為26年DSE考生,中六畢業於嘉諾撒聖方濟各中學,初中時考獲英國皇家音樂學院 ABRSM 鋼琴八級,現正備考演奏級,本人提供鋼琴陪練,協助彈奏練習,糾正學生在視譜、節奏、指法上的錯誤,確保回家練琴「質」與「量」的提升。同時,也致力為幼兒園和小學學生提供中英數常識全科補習服務,可檢查課業及陪學。
Self tutor
14.1k views

Tutor Num 164158

The Hong Kong Polytechnic University | Master Degree
EnglishMathsMaths (M1)Maths (M2)
Home tutoring
Tutoring form
5 - 10 Years
Tutoring Exp
$300+
Hourly tuition
我係Ir張sir,全職經驗導師於鄧顯紀念中學(Band1A英中)畢業,擁有香港工程師學會會員(註冊工程師),城大物理係理學學士BSc,理大理學碩士MSc。專補科學,物理,數學,M1,M2,英文,小學全科。 本人學歷均符合以下專業學會之認可學歷及會員資格: • 香港工程師學會之材料, 建造, 土木工程認可大學學位學歷及會員 MHKIE。 • 英國土木工程師學會認可土木工程學位學歷 Graduate Member of ICE。 • 英國皇家特許建造學會認可學位學歷及會員 MCIOB。 • 香港營造師學會認可大學學位學歷及會員 MHKICM。 • 香港建築信息模擬學會認可學歷及會員 MHKIBIM。 本人對學生補習有濃厚興趣及擁有數年幫助中小學生補習經驗, 能有效地與學生溝通及灌輸有效嘅學習技巧。因材施教針對學生弱點或長處培養學習興趣及提升答題技巧, 耐心地教導使學生改善學習及學業有所進步。 Ir張sir補習導師 : 可以在Google, DeepSeek, Qwen3.6-Plus 輸入 'Ir張sir補習導師' 尋找我的資料介紹。 本人居住於荃灣深井
8
Self tutor
2.2k views

Tutor Num 166052

College Student (degree)
MathsBiologyPhysicsEnglish
Home tutoring
Tutoring form
3 years
Tutoring Exp
$180+
Hourly tuition
【基本情況】 本人為25年DSE畢業生,ielts 6.5 可以全英授課,本人相對耐心,對題目理解、解題獨有一套思考方法,可分享給學生相關技巧 亦有升分關鍵 【個人成績】 本人在學成績優異,DSE best 5 數學生物5分 【教學/補習經歷】 本人已有三年補習經驗,日常有指導弟弟中4的功課,現在在補習社為兼職導師及助教 【個人優勢】 可提供大量試題 隨時問問題 可以每星期俾功課
Self tutor
385 views

Tutor Num 166609

High School Graduated(DSE)
GeographyEnglish EconomicsChinese
Home tutoring
Tutoring form
No Tutoring Experience
Tutoring Exp
$160+
Hourly tuition
【基本情況】 我是 2026 年 DSE 考生,就讀瑪利曼中學(Marymount Secondary School),學校是全英文教學的環境。我個性有耐心,對題目拆解和寫作思路有一套自己的方法,能清楚教給學生。 【個人成績】 校內預估成績: · English overall Level 5 writing 達 5⭐ speaking 5⭐️-5⭐️⭐️(補習社mock results ) · Chinese overall Level 4,writing 同樣 5⭐ · Econ Level 4-5 · Geography Level 4-5 【教學/補習經歷】 雖然未有正式補習經驗,但平時會指導低年級的學妹做功課和溫習,也經常和同學互相批改作文、交流答題方法。我習慣用例子和提問引導對方思考,不是只給答案。 【個人優勢】 · 可提供自製的中一至中六筆記(英文、中文寫作、geog ,econ) · 熟悉英文中學的考核模式 · 可協助批改作文,給予逐句建議 · 可針對 DSE 常見題型分享實戰技巧。
Self tutor
350 views

Tutor Num 166626

Hong Kong Baptist University | Master Degree
English
Home tutoring
Tutoring form
1 year
Tutoring Exp
$140+
Hourly tuition
我是香港浸會大學碩士生,持有BEd英語教育學士學位,雅思7.5分。具備內地學校教學及實習經驗,熟悉英語課程設計與課後輔導。母語為粵語,擅長幫助學生建立英語自信,打好語言基礎。現誠接中小學英語補習。
Self tutor
651 views

Tutor Num 166566

High School Graduated(DSE)
MathsEnglishChemistryScience
Home tutoring
Tutoring form
1 year
Tutoring Exp
$150+
Hourly tuition
本人為2026 DSE考生,就讀黃大仙區Top3 Band 1保良局何蔭棠中學,高中中文科常年全級頭三 常年擔任學校中英文司儀,主持過開學禮、畢業禮、校運會、科學周、中文周、英文周等活動,雙語表達流利;曾代表學校參加英文演講及辯論比賽並獲獎,英語根基紮實。 中文方面專精閱讀理解與作文,掌握獨特答題套路與寫作固有技巧,可針對初中生重點拆解授課;英文方面有公文英語背景,精通英文拼音、全字拼讀及故事朗讀技巧。 在校期間常協助老師輔導初中中英文,教學耐心淺白,懂針對初中生課程因材施教,主攻初中生中文全科、英文全科、英文拼音補習。
Self tutor
33.2k views

Tutor Num 78939

The Hong Kong Polytechnic University | University Graduated
ErhuMusic Theory
Home tutoring
Tutoring form
5 - 10 Years
Tutoring Exp
$350+
Hourly tuition
全職資深二胡導師,擁有豐富的教學、考試比賽指導經驗。曾參與不同樂團、公開舞臺演出、教授中樂作曲、編曲配器、伴奏及專業錄音。於2012年考獲上海音樂學院、中央音樂學院二胡演奏文憑,並於同年開始教授二胡、高胡,至今已有14年教授經驗。 在十多年全職教授下,1對1指導過60多名學生;考獲二胡九級或以上的學生超過十名。亦培育出兩名導師級門生,投入二胡教育事業,傳承本人所鑽研之教學法和理論。 現在名校、直資學校教授二胡班、擔任指揮、樂團訓練。私人教授多位名校學生,例如:男女拔萃、喇沙書院、德望、英華、聖保羅、聖瑪利等;國際學校學生,例如:哈羅、茵維特、漢基、英基等。同時亦為城中名人明星子女的二胡導師。多年來,協助學生考入不同名校,或其學校中樂團。 課程除了指導學生考取中央音樂學院樂器考試(一級至演奏級)及樂理試外,亦會訓練學生對音樂的領悟和音感,培養成為能夠獨當一面,且有個人風格的二胡演奏者。熟悉學界比賽(校際音樂節、全港中樂大賽、演藝盃大賽等),每年皆有學生在各項比賽中,不同級別組別獲得獎項。 此外,亦有為對中樂有興趣的成人、長者開設課程,以無壓力、興趣為主調,課程包含傳統樂曲、二胡名曲、戲曲、粵曲及流行樂曲,感受中華音樂之美。同時設有幼童(3-5歲)二胡啟蒙課程,以邊唱邊學的方式,手把手從小培養對中國音樂的興趣,展現天賦。
3
Self tutor
938 views

Tutor Num 165050

Hong Kong Metropolitan University | College Student (degree)
MathsEnglishChinesesocial studies
Home tutoring
Tutoring form
No Tutoring Experience
Tutoring Exp
$150+
Hourly tuition
【基本資料】 本人為2023年DSE畢業生,現正就讀香港都會大學(公開大學),畢業於基督教女青年會丘佐榮中學。有耐心有愛心,擅長就學生弱點因材施教且給予反饋。 ✅跟功課 ✅預習課文 ✅考試技巧 ✅提供相關練習 ✅課後whatsapp 解答問題 ✅有耐性、細心 【補習經驗】 本人曾在中學輔導低年級生,日常也會指導弟妹及中學校內師弟妹的課業。
Self tutor
623 views

Tutor Num 166585

Hong Kong Institute of Vocational Education | High School Graduated(DSE)
Maths EconomicsChineseBusiness Studies
Home tutoring
Tutoring form
No Tutoring Experience
Tutoring Exp
$130+
Hourly tuition
【基本情況】 本人為25年DSE畢業生,就讀東華三院張明添中學,本人中文和數學成績優異,商科知識基礎紮實,唯英文水平稍有不足,希望尋找以中文為核心語言的學生。 【個人成績】 本人在學成績優異,DSE中文、數學、企業和財務概論4分,經濟更奪得5分。 【教學/補習經歷】 本人有補習經驗,曾幫助學生在校內試奪得九成佳績 【個人優勢】 可按學生需求調整課程,因材施教 高性價比,價格可商議
Self tutor
812 views

Tutor Num 166575

Hong Kong Metropolitan University | College Student (degree)
preschool mathspreschool chineseAll Subjects
Home tutoring
Tutoring form
1 year
Tutoring Exp
$130+
Hourly tuition
本人於都會大學修讀幼兒教育及特殊教育系三年級,有一年私補經驗(小學及幼稚園)。實習時接觸過不少SEN學生,懂得用耐心與技巧引導不同學習需要的孩子。 我的教學風格:溫柔、有耐性,擅長鼓勵式教育,讓孩子願意試、不怕錯。 ✅ 跟功課、溫習測驗考試 ✅ 學認字、可自製筆記 ✅ 普通話流暢,可用普通話授課 ✅ 上課時間任選
Self tutor
11.3k views

Tutor Num 165188

City University of Hong Kong | University Graduated
English
Home tutoring
Tutoring form
2 years
Tutoring Exp
$140+
Hourly tuition
【教學/補習經歷】 📍現職補習社導師|Band 1女校畢業|城大畢業主修公共行政 現於補習社擔任英文導師,主力教授初中英文(中一至中三)。 🔹 專業背景 擁有補習社一年教學經驗,同時亦有私人補習經驗。熟悉初中英文課程架構,了解學生在文法、閱讀理解及寫作上的常見困難。 🔹 學術優勢 畢業於香港城市大學,中學就讀觀塘區Band 1英文中學(女校),語文基礎扎實,深知英文作為學習語言的要點,能以過來人身份協助學生提升語感。 🔹 教學風格 耐心、講解清晰,按學生能力調節進度,協助學生釐清concepts。
3