| Chapter Three Research Methodology | 第1-39页 |
| ·Research methodology | 第34-35页 |
| ·Data collection | 第35-36页 |
| ·Data description | 第36-39页 |
| ·The characteristics of sitcom | 第36-37页 |
| ·Friends | 第37-39页 |
| Chapter Four Analysis of Data and Discusions | 第39-69页 |
| ·Introduction | 第39页 |
| ·Substituting function of non-verbal communication | 第39-47页 |
| ·Substituting for words to threaten face | 第40-42页 |
| ·Substituting for words to save face | 第42-45页 |
| ·Substituting for words to weaken face effct | 第45-47页 |
| ·Contradicting function of non-verbal communication | 第47-51页 |
| ·Supplementing function of non-verbal communication | 第51-66页 |
| ·Supplementing to strengthen face-saving effect | 第51-57页 |
| ·Supplementing to aggravate face-threatening effect | 第57-63页 |
| ·Supplementing to mitigate face effect | 第63-66页 |
| ·Regulating function of non-verbal communication | 第66-69页 |
| Chapter Five Conclusion | 第69-74页 |
| ·Major findings | 第69-71页 |
| ·Im plications | 第71-72页 |
| ·Limitations of the present study | 第72-74页 |
| REFERENCES | 第74-76页 |
| 攻读学位期间发表的学术论文 | 第76-78页 |