- 問題詳情:Thediscoverythatlanguagecanbeabarrier(障礙)tocommunicationisquicklymadebyallwhotravel,study,governorsell.Whethertheactivityistourism,research,government,policingorbusiness,thelackofacommonlanguagecanseverelydelayprogressorcanstopitaltogether....
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