Haveyoueverconsideredwhyyoubeginyawningtoowhenyouseesom...
問題詳情：Haveyoueverconsideredwhyyoubeginyawningtoowhenyouseesomeoneyawn?Orhowharditistobeamongpeoplelaughingandnotlaughyourself?Well,apparentlyit'sbecausewehavemirrorneurons(神經元）inourbrains.Putsimp...