| Chapter One Introduction | 第1-10页 |
| Chapter Two A Review on Vague Time Adjunct | 第10-21页 |
| ·Schools of Research on Vagueness | 第10-14页 |
| ·Definition and Categorization of Vagueness | 第14-18页 |
| ·Vague Time Adjunct | 第18-21页 |
| ·Time Adjunct vs Vague Time Adjunct | 第18-19页 |
| ·Formation of Vague Time Adjunct | 第19-21页 |
| Chapter Three Theory of Implicature and Relevance | 第21-25页 |
| ·Implicature Theory | 第21-22页 |
| ·Relevance Theory | 第22-25页 |
| Chapter Four Data Collection and Analysis | 第25-39页 |
| ·Data Collection | 第25页 |
| ·Data Analysis | 第25-28页 |
| ·The Frequency of Vague Time Adjunct in English News Report‥ | 第25-26页 |
| ·Categorization of Vague Time Adjunct | 第26-28页 |
| ·Implications of Vague Time Adjunct | 第28-33页 |
| ·Unnecessary to Use Accurate Time | 第29-30页 |
| ·Unknown about Accurate Time | 第30-31页 |
| ·Emphasis on the Long Period of Time | 第31-32页 |
| ·Secret Keeping | 第32-33页 |
| ·Comparison of Relevance between Vague Time Adjunct and Accurate Time Adjunct | 第33-39页 |
| ·Relevance of Vague Time Adjunct | 第33-36页 |
| ·Relevance of Precise Time Adjunct | 第36-38页 |
| ·Comparison between Vague Ti me Adjunct and the Precise Time in Relevance | 第38-39页 |
| Chapter Five Conclusion | 第39-41页 |
| Reference | 第41-43页 |
| Appendix | 第43-53页 |
| Acknowledgement | 第53页 |
