- 问题详情:Languageshavebeencomingandgoingforthousandsofyears,butinrecenttimestherehasbeenlesscomingandalotmoregoing.Whentheworldwasstillpopulatedbyhunter-gatherers,small,tightlyknit(联系)groupsdevelopedtheirownpatternsofspeechindependentofeachother.Som...
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