| Acknowledgments | 第1-7页 |
| Abstract | 第7-9页 |
| 摘要 | 第9-10页 |
| Chapter One Introduction | 第10-13页 |
| ·The rationale for the present study | 第10-11页 |
| ·Methodology and data collection | 第11页 |
| ·Significance of the study | 第11-13页 |
| Chapter Two Literature review | 第13-24页 |
| ·English euphemisms | 第13-16页 |
| ·Definition of English euphemism | 第13-15页 |
| ·Classification of English euphemisms | 第15-16页 |
| ·Previous studies on euphemisms | 第16-18页 |
| ·Political euphemisms | 第18-21页 |
| ·Definition of political euphemisms | 第18-19页 |
| ·Politicians and euphemisms | 第19-21页 |
| ·Linguistic motivation | 第21-24页 |
| ·Previous studies of linguistic motivation | 第21-22页 |
| ·Cognitive study of linguistic motivation | 第22-24页 |
| Chapter Three Theoretical framework | 第24-36页 |
| ·The classical approach to categorization | 第25-27页 |
| ·The Cognitive approach to categorization | 第27-36页 |
| ·Prototype theory | 第27-30页 |
| ·Levels of categorization | 第30-36页 |
| Chapter Four The motivation of political euphemisms from the perspective of categorization theory | 第36-48页 |
| ·Prototype theory and euphemisms | 第36-37页 |
| ·The application of prototype theory in political euphemisms | 第37-43页 |
| ·Political euphemisms on war | 第37-40页 |
| ·Political euphemism on economy | 第40-43页 |
| ·Levels of categorization and euphemisms | 第43页 |
| ·The application of levels of categorization in political euphemisms | 第43-48页 |
| ·The analysis of political euphemism on war | 第43-45页 |
| ·The analysis of political euphemisms on economy | 第45-48页 |
| Chapter Five Conclusion | 第48-51页 |
| ·Major findings | 第48-49页 |
| ·Implications of the study | 第49-50页 |
| ·Political euphemisms in comprehension | 第49页 |
| ·Political euphemisms in translation | 第49-50页 |
| ·Limitations of the study | 第50页 |
| ·Suggestions for further study | 第50-51页 |
| References | 第51-54页 |
