问题：

Speech community

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答案：

Speech community is a group of people who share a set of norms and expectations regarding the use of language. Speech communities can be members of a profession with a specialized jargon distinct social groups like high school students or hip-pop fans. In addition online and other mediated communities such as many internet forums often constitute speech communities. Members of speech communities will often develop slang or jargon to serve the group' s special purposes and priorities. Speechcommunityisagroupofpeoplewhoshareasetofnormsandexpectationsregardingtheuseoflanguage.Speechcommunitiescanbemembersofaprofessionwithaspecializedjargon,distinctsocialgroupslikehighschoolstudentsorhip-popfans.Inaddition,onlineandothermediatedcommunities,suchasmanyinternetforums,oftenconstitutespeechcommunities.Membersofspeechcommunitieswilloftendevelopslangorjargontoservethegroup'sspecialpurposesandpriorities.