Write an abstract of the content, mainly to provide the theme and outline of the content. Describe the main contents of the paper concisely and accurately without comments or supplementary explanations. It must be very concise, straight to the point, without many modifiers, and avoid using lengthy sentences. Length: about 200-300 words is appropriate.

It should be independent and self-sufficient and a complete paper. There should be no charts, mathematical formulas and symbols, and unfamiliar and common abbreviations.

Note: When writing an English abstract, the subject of the sentence is generally in the third person, and the tense of the verb is mainly in the simple present tense, mostly in the passive voice.

English structure includes title, abstract, keywords, table of contents, terms, introduction, methods, results, discussion and conclusion.

English styles include expository, descriptive and narrative.

Write comments and conclusions in English.

1: Transition from problem to result. It can be said that it is a universal law in academic papers to express the results in the order of "general-concrete". Follow the clue of "question-answer" to express the research results.

2. Support the results with data. After the research results are given, empirical data should be used as corresponding support.

3. Discuss the results from a theoretical perspective. Summarize the viewpoint, link the research results with the theory, and explain what theoretical inferences and prospects can be drawn from the research results from a theoretical point of view.