| 摘要 | 第1-6页 |
| Abstract | 第6-9页 |
| Introduction | 第9-12页 |
| Chapter One Literature Review | 第12-37页 |
| ·The Introduction of Vague Language | 第12-27页 |
| ·Main Theories Used in the Research | 第27-31页 |
| ·Business Letters | 第31-35页 |
| ·Studies on Vague Language | 第35-37页 |
| Chapter Two Analysis of Pragmatic Vagueness in English & Chinese Business Letters | 第37-44页 |
| ·Classification of Examples | 第37-38页 |
| ·Employment of Vague Language | 第38-44页 |
| Chapter Three Comparative Analysis | 第44-51页 |
| ·Vague Language in Different Types of Business Letters | 第44-48页 |
| ·the Similarities and Differences between the Employment of Vague Language in English and Chinese Business Letters | 第48-51页 |
| Conclusion | 第51-54页 |
| Main Findings | 第51页 |
| Implications of the Study | 第51-54页 |
| Bibliography | 第54-59页 |
| Appendix Ⅰ Samples of English Business Letters | 第59-70页 |
| Appendix Ⅱ Samples of Chinese Business Letters | 第70-78页 |
| Acknowledgements | 第78-79页 |
| Author's Main Work Achievements during Postgraduate Program | 第79页 |
