![Languageshavebeencomingandgoingforthousandsofyears,buti...]( "Languageshavebeencomingandgoingforthousandsofyears,buti...")
- 問題詳情：Languageshavebeencomingandgoingforthousandsofyears,butinrecenttimestherehasbeenlesscomingandalotmoregoing.Whentheworldwasstillpopulatedbyhunter-gatherers,small,tightlyknit(聯絡)groupsdevelopedtheirownpatternsofspeechindependentofeachother.Som...
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