Directions: Write a research paper on English idioms with a maximum of 5000 words, such as the culture, translation, understanding, use, and learning of English idioms, or compare the similarities and differences between Chinese and English idioms in terms of structure, meaning, and rhetoric, etc. Requirements：1) Your research paper should include the title, abstract, keywords, introduction, literature review, methodlody and results, conclusions, and references;2) The topic is in line with the teaching contents of the course;3) The paper should be written in Chinese.