" Under That Star " was a recollection of the author's experiences and feelings in high school. The second paragraph of the article expressed the author's feelings and thoughts about the world by describing the environment he was in at that time. The second paragraph was used to draw out the theme and emotions of the article. By describing the author's environment at that time, the reader can feel the author's feelings and thoughts at that time and guide the reader into the theme of the article. At the same time, the second paragraph also explained the first half of the article so that the readers could better understand the main idea and structure of the article. The second paragraph could also be used to summarize and summarize the previous content to provide guidance for the writing of the following article. For example, the author's feelings and thoughts could be further elaborated in the later part of the article, or the experience at that time could be reviewed and summarized so that the readers could better understand the author's intentions and the meaning of the article.