| Chapter One Introduction | 第1-19页 |
| ·The origin of the study of vague language | 第7-8页 |
| ·The basic contents of the study of vague language | 第8-16页 |
| ·Problems in the study of vague language | 第16-17页 |
| ·Raising of the topic | 第17-19页 |
| Chapter Two Psychological Factors of Vague Language Production | 第19-26页 |
| ·An informal definition | 第19-20页 |
| ·The process of vague language production | 第20-23页 |
| ·Psychological factors of vague language production | 第23-26页 |
| Chapter Three Motivation Analysis of Vague Language Production | 第26-48页 |
| ·The term 'motivation' | 第26-28页 |
| ·Conscious motivations of vague language production | 第28-47页 |
| ·Summary | 第47-48页 |
| Chapter Four Conclusion | 第48-50页 |
| Bibliography | 第50-52页 |
