社会语言学是运用语言学和社会学的理论和方法研究语言现象的一门新兴边缘学科。总的来说,社会语言学研究语言与社会的关系问题;具体地说,它研究社会的各种因素与语言变化的关系,探讨社会条件和语言变异之间的因果关系,揭示人们在社会中如何根据各种环境恰当地使用语言的规律性等问题。 Sociolinguistics is an emerging edge subject that uses linguistic and sociological theories and methods to study linguistic phenomena. In general, sociolinguistics studies the relationship between language and society; specifically, it studies the relationship between various social factors and linguistic changes, discusses the causal relationship between social conditions and linguistic variations, and reveals that people in society How to properly use the regularity of language according to various environments.