Their differences are: 1. Slang: refers to informal and colloquial sentences among the people. They are easy-to-understand and smooth words with local color summarized by the people in their daily lives. Strongly regional and more life-oriented. Slang is a type of informal language that is usually used in informal situations. Sometimes slang is used to express new things, or to give new words to old things. 2. Spoken language: It is the language used for oral communication and is the earliest form of language commonly used by human beings. All peoples have spoken languages. Spoken language is usually transmitted through sounds. Depending on the needs, spoken language is often described in writing in literary works. 3. Common saying: It is a language unit in Chinese vocabulary created for the masses and spread in the spoken language of the masses. It is a colloquial and popular language unit. It is a stereotyped sentence that is popular and widely popular. It is concise and visual. Most of them are working people. created. Reflect people’s life experiences and aspirations.

4. Common sayings: 1. Vulgar words. 2. Common saying. 3. Popular saying; local customary saying.