According to the query of Renren.com Library, when the author wrote Farewell to Small Animals, in order to better express the story and theme, the story was divided into three parts. Each part has its own independent theme and content, which is isomorphic to the whole story.
The first paragraph is that small animals get together to say goodbye and express their friendship and feelings. In the second paragraph, Chairman Lamb taught the little animals the truth of life and guided them to cherish the present and work hard. In the third paragraph, the animals leave separately. Through this passage, the author expresses the pain of parting and the importance of cherishing the present.