| 中文摘要 | 第1页 |
| ABSTRACT | 第5-8页 |
| Chapter One Introduction | 第8-11页 |
| ·A General Description | 第8-9页 |
| ·Purpose and Methodology | 第9-10页 |
| ·Overview of the Thesis | 第10-11页 |
| Chapter Two Theoretical Base | 第11-21页 |
| ·Literature Review of Style and Ambiguity | 第11-16页 |
| ·Style and Stylistics | 第11-13页 |
| ·Definition and Causation of Ambiguity | 第13-14页 |
| ·The Functions of Ambiguity | 第14-16页 |
| ·Systemic-Functional Grammar Text and Context | 第16-18页 |
| ·Aspects of Context | 第16-17页 |
| ·Context of Situation | 第17-18页 |
| ·Reasons for Choosing Context as the Theoretical Framework | 第18页 |
| ·Summary of the Chapter | 第18-21页 |
| ·The Relationship between Text and Context of Situation | 第18-19页 |
| ·The Relationship between Context and Ambiguity | 第19-21页 |
| Chapter Three The Analysis of International Practical Business English | 第21-32页 |
| ·The Development of Practical Business English | 第21页 |
| ·Characteristics of Practical Business English | 第21-23页 |
| ·The Discussion of the Style of Practical Business English | 第23-30页 |
| ·Lexical Level | 第24-26页 |
| ·Syntactic Level | 第26-29页 |
| ·Textual Level | 第29-30页 |
| ·Negative Effect on International Practical Business English | 第30-32页 |
| Chapter Four Cases in International Practical Business English and Application | 第32-51页 |
| ·Some Important Aspects in International Practical Business English | 第32-33页 |
| ·Analysis of Ambiguity Presented by Cases in Negotiation | 第33-39页 |
| ·Analysis of Ambiguity Presented by Cases in Trade Terms and Payment | 第39-44页 |
| ·Analysis of Ambiguity Presented by Cases in Package and Shipment | 第44-48页 |
| ·Countermeasures | 第48-51页 |
| ·Linguistic Perspective | 第48-49页 |
| ·Non-linguistic Perspective | 第49-51页 |
| Chapter Five Conclusion | 第51-54页 |
| ·Major Findings | 第51-52页 |
| ·Implications | 第52-54页 |
| Bibliography | 第54-57页 |
| Acknowledgements | 第57-58页 |
| 在学期间发表的学术论文和参加科研情况 | 第58页 |
