Sociolinguistics is the study of patterns and variations in language within a society or community.

社会语言学是研究一个社会或社区内语言的模式和变化的学科。

Like my major was linguistics, so I focused on English sociolinguistics and learned skills and knowledge that I could use in a future career.

比如我的专业是语言学，所以我的学习专注于英语社会语言学，学习相关的技能和知识，以便我在未来的职业生涯中使用。

The goal of sociolinguistics is to understand communicative competence— what people need to know to use the appropriate language for a given social setting.

社会语言学的目标是理解交际能力，即人们在特定的社会环境中使用合适的语言所需要的知识。

Examining the relationship between language and society is a key aspect. Sociolinguistics within applied linguistics explores how language use is influenced by social factors, including culture, gender, ethnicity, and socio-economic status.

考察语言与社会的关系是一个关键方面。应用语言学中的社会语言学探讨语言使用如何受到社会因素的影响，包括文化、性别、种族和社会经济地位。