| Acknowledgement | 第1-8页 |
| Chapter 1 Introduction: Universality of Language Vagueness | 第8-13页 |
| ·Vague Language Presenting Vagueness of Objective Things | 第8-9页 |
| ·Vague Language Presenting Vagueness of Human Mind | 第9-10页 |
| ·Vague Language Presenting Vagueness of Language System | 第10-11页 |
| ·Vague Language Presenting Social Factors | 第11-13页 |
| Chapter 2 The Development and Definition of Vagueness | 第13-22页 |
| ·The Abroad Development of Vagueness Study | 第13-16页 |
| ·The Domestic Development of Vagueness Study | 第16-18页 |
| ·Defining Vague Language | 第18-22页 |
| Chapter 3 An Outline of Relevance Theory | 第22-31页 |
| ·Ostensive-inferential Communication | 第22-23页 |
| ·Principle of Relevance | 第23-27页 |
| ·Loose talk—A Referential Approach to Vagueness | 第27-31页 |
| Chapter 4 The Relevance-theoretic Analysis on Vagueness | 第31-45页 |
| ·Analysis on Vagueness by Implicature | 第31-37页 |
| ·Analysis on Vagueness by Choice of Vague Words | 第37-41页 |
| ·Analysis on Vague Additives | 第41-45页 |
| Chapter 5 Conclusion | 第45-48页 |
| Bibliography | 第48-49页 |
