| Acknowledgements | 第4-5页 |
| Abstract | 第5-6页 |
| 摘要 | 第7-9页 |
| Introduction | 第9-25页 |
| 0.1 Doris Lessing and Her On Cats | 第9-11页 |
| 0.2 Literature Review | 第11-14页 |
| 0.3 Theoretical Base | 第14-22页 |
| 0.4 Significance of this Thesis | 第22-25页 |
| Chapter One The Loss of Harmony According to Natural Ecology | 第25-41页 |
| 1.1 Domination and Destruction of Animals | 第26-30页 |
| 1.2 Conquest and Plunder of Plants | 第30-33页 |
| 1.3 Efforts for Recovery of Harmony between Man and Nature | 第33-41页 |
| Chapter Two The Loss of Harmony According to Social Ecology | 第41-55页 |
| 2.1 Alienation of Human Relationship | 第42-49页 |
| 2.2 Inequality in Society | 第49-52页 |
| 2.3 Indifference of Society | 第52-55页 |
| Chapter Three The Loss of Harmony According to Spiritual Ecology | 第55-69页 |
| 3.1 Evil Human Desires | 第56-60页 |
| 3.2 Absence of Belief | 第60-69页 |
| Conclusion | 第69-71页 |
| Bibliography | 第71-78页 |
