- 問題詳情:Foralongtime,thetraditionalmethodofidentifyingliarswastowatchtheirbodylanguage,includingfacialexpressions.Whatifthepersonappearstobenervous?Isthepersonunabletolookmeintheeye?Isheorshelookaroundtheroom?Whataboutothernervousmovements,suchasfidg...
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