| 摘要 | 第1-6页 |
| Abstract | 第6-8页 |
| Contents | 第8-10页 |
| Chapter 1 Introduction | 第10-12页 |
| ·Background of the Research | 第10页 |
| ·Research Questions | 第10-11页 |
| ·Structure of this Paper | 第11-12页 |
| Chapter 2 Literature Review | 第12-19页 |
| ·Various Definitions of Vagueness and Vague Language | 第12-13页 |
| ·Previous Studies on Vague Language in Business English Correspondence | 第13-19页 |
| ·Pragmatic Functions | 第14-15页 |
| ·Translation | 第15-17页 |
| ·Pragmatic Interpretation | 第17-19页 |
| Chapter 3 Theoretical Framework | 第19-23页 |
| ·Adaptation Theory | 第19页 |
| ·Three Properties of Language | 第19-20页 |
| ·Four Aspects of Adaptability | 第20-23页 |
| Chapter 4 Application of Vague Language in Business English Correspondence | 第23-35页 |
| ·Definition and Categories of Business English Correspondence | 第23-24页 |
| ·Linguistic Characteristics of Business English Correspondence | 第24-26页 |
| ·Employment Situations of Vague Language in Business English Correspondence | 第26-28页 |
| ·Objective situations | 第26-27页 |
| ·Subjective situations | 第27-28页 |
| ·Realization Forms of Vague Language in Business English Correspondence | 第28-35页 |
| ·Vagueness by Vague Words | 第29-32页 |
| ·Vagueness by Vague Syntax | 第32-33页 |
| ·Vagueness by Hedges | 第33-34页 |
| ·Vagueness by Implication | 第34-35页 |
| Chapter 5 Interpretation of Vague Language in Business English Correspondence Based on Adaptation Theory | 第35-54页 |
| ·Adaptation to Physical World | 第35-39页 |
| ·Adaptation to Temporal Reference | 第36-37页 |
| ·Adaptation to Spatial Reference | 第37-39页 |
| ·Adaptation to Social World | 第39-43页 |
| ·Adaptation to Interlocutors' Social Positions | 第39-41页 |
| ·Adaptation to Cultural Conventions | 第41-43页 |
| ·Adaptation to Mental World | 第43-49页 |
| ·Adaptation to Addressor's Purposes | 第44-45页 |
| ·Adaptation to Addressor's Emotion | 第45-46页 |
| ·Adaptation to Addressee's Emotion | 第46-48页 |
| ·Adaptation to Addressee's Desires | 第48-49页 |
| ·Pragmatic Effects of Vague Language in Business English Correspondence | 第49-54页 |
| ·Strengthening Persuasiveness | 第49-50页 |
| ·Enhancing Flexibility | 第50页 |
| ·Making Expression More Polite | 第50-52页 |
| ·Leaving a Certain Room for Addressor | 第52-54页 |
| Chapter 6 Conclusion | 第54-56页 |
| ·Major Findings of the Study | 第54-55页 |
| ·Limitations of the Study and Suggestions for Future Study | 第55-56页 |
| Bibliography | 第56-59页 |
| 发表论文说明 | 第59-60页 |
| Acknowledgements | 第60-61页 |
