- 问题详情:You’resittingonthetrainhomeandthepersonoppositeyouyawns(打哈欠).Suddenly,you’reyawningwithhim,thoughyou’renottired.Thisphenomenonconfusedscientistsforyearsuntilarecentstudyfoundthatpeopletendtosympathizewithfellowhumans.Supportingthisclaim...
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