A well-structured composition should include four parts: title, beginning, theme and ending, all of which are indispensable. However, with these four parts, the structure is not necessarily complete, and we still need to understand the inherent inevitable relationship between these four parts.

Title: the title of the article should meet three basic requirements: concise language, reflecting the theme of the material and reflecting the general argument of the article.

Beginning: the beginning, that is, the first paragraph of the article. The content discussed at the beginning of the article should be related to the general argument of the article. A good beginning should be characterized by outstanding arguments and beautiful language.

Subject: the main part of the article, that is, the specific discussion part of the general argument. The core requirement is the general argument; In-depth discussion on sub-arguments; Clear hierarchy; The argument is very strong.

End: the end, that is, the last paragraph of the article. The end of the essay should be: reflect the general argument, have substance in words and take care of the beginning.