| Abstract in Chinese | 第1-4页 |
| Abstract in English | 第4-8页 |
| Chapter 1 Introduction | 第8-15页 |
| ·Vague Language | 第8-12页 |
| ·Definition of Vague Language | 第9-10页 |
| ·Causes of Vague Language | 第10-12页 |
| ·Vagueness Versus Ambiguity | 第12-15页 |
| ·Ambiguity | 第12页 |
| ·Distinction between Ambiguity and Vagueness | 第12-15页 |
| Chapter 2 Hedges--The Core of Vague Language | 第15-19页 |
| ·Types of Device for Expressing Vagueness | 第15-16页 |
| ·Hedges and Their Types | 第16-17页 |
| ·Semantic Features of Hedges | 第17-19页 |
| Chapter 3 The Relationship between Vague Language and Meaning and Context | 第19-28页 |
| ·Vague Language and Meaning | 第19-23页 |
| ·Semantic Vagueness and Static Meaning | 第20-21页 |
| ·Pragmatic Vagueness and Dynamic Meaning | 第21-22页 |
| ·The Relationship Between Semantic Vagueness and Pragmatic Vagueness | 第22-23页 |
| ·Vague Language and Context | 第23-28页 |
| ·Context and Utterance Meaning | 第23-24页 |
| ·Understanding Vague Language Depends on Context | 第24-26页 |
| ·Vagueness Restricted by Context | 第26-28页 |
| Chapter 4 Pragmatic Value of Vague Language | 第28-45页 |
| ·Theoretical Grounds for Pragmatic Value of Vague Language | 第28-30页 |
| ·Pragmatic Functions of vague language | 第30-32页 |
| ·The Uses of Vague Language in Different Fields | 第32-45页 |
| Chapter 5 Conclusion | 第45-47页 |
| BIBLIOGRAPHY | 第47-49页 |
| ACKNOWLEDGEMENTS | 第49-50页 |
