| Acknowledgements | 第1-6页 |
| Abstract | 第6-8页 |
| 摘要 | 第8-13页 |
| Chapter 1 Introduction | 第13-18页 |
| ·Research Background | 第13-14页 |
| ·Significance of the Research | 第14-16页 |
| ·Data Collection | 第16页 |
| ·Organization of the Thesis | 第16-18页 |
| Chapter 2 Overview of Vagueness of Language | 第18-34页 |
| ·Key Terms | 第18-20页 |
| ·Differences Between Related Terms | 第20-22页 |
| ·Vagueness and Ambiguity | 第20-22页 |
| ·Vagueness and Generality | 第22页 |
| ·Studies on Vagueness of Language | 第22-28页 |
| ·Studies on Vagueness of Natural Language | 第22-27页 |
| ·Studies on Vagueness of Legislative language | 第27-28页 |
| ·Categorization of Vague Language | 第28-34页 |
| ·Vague Additives | 第29-30页 |
| ·Vague Implicature | 第30-31页 |
| ·Vague Continuums | 第31页 |
| ·Hedges | 第31-34页 |
| Chapter 3 Nature of Legislative Language | 第34-41页 |
| ·Definition of legislative Language | 第34-35页 |
| ·The Meaning of Legislation in the English Literature | 第34页 |
| ·The Meaning of Legislative Language | 第34-35页 |
| ·The Properties of Legislative Language | 第35-41页 |
| ·Properties of Legislative Vocabulary | 第36-38页 |
| ·Properties of Syntactic structure of Legislative Language | 第38-41页 |
| Chapter 4 Analysis of Vagueness in Legislative Language | 第41-53页 |
| ·Vagueness at Lexical Level | 第41-50页 |
| ·Vague Nouns | 第41-43页 |
| ·Vague Adjectives | 第43-46页 |
| ·Vague Verbs | 第46-47页 |
| ·Vague Adverbs | 第47-48页 |
| ·Vague Pronouns | 第48-49页 |
| ·Vague Prepositions | 第49-50页 |
| ·Vagueness at Syntactic Level | 第50-51页 |
| ·Vagueness at Logic Level | 第51-53页 |
| Chapter 5 Reasons for Vagueness in Legislative Language | 第53-65页 |
| ·Reasons for Vagueness in Natural Language | 第53-56页 |
| ·Explanation to Vagueness in Cognitive Theory | 第53-55页 |
| ·Explanation to Vagueness in Semiotic Theory | 第55-56页 |
| ·Reasons for Vagueness in Legislative Language | 第56-65页 |
| ·Generality of Legislative Language | 第57-58页 |
| ·Requirements of Legal Phenomena | 第58-61页 |
| ·Vague Features of Language Itself | 第61-62页 |
| ·Maintenance of Benefits of Parties Concerned | 第62-63页 |
| ·Influences of Cultural Differences | 第63-65页 |
| Chapter 6 Conclusion | 第65-68页 |
| ·Findings and Applications | 第65-66页 |
| ·Limitation and Recommendation | 第66-68页 |
| Bibliography | 第68-72页 |
| Appendix ⅠSources of Legislative Articles in the Paper | 第72-73页 |
| Appendix Ⅱ: Published Papers during the Study of M.A. | 第73页 |