Haveyoueverconsideredwhyyoubeginyawningtoowhenyouseesom...
问题详情：Haveyoueverconsideredwhyyoubeginyawningtoowhenyouseesomeoneyawn?Orhowharditistobeamongpeoplelaughingandnotlaughyourself?Well,apparentlyit'sbecausewehavemirrorneurons(神经元）inourbrains.Putsimp...