- 问题详情:Youopenyoureyesandmouthwideifyouseealiveratinyourbedroombutyouwrinkleyournoseandnarrowyoureyesifyouseeadeadoneintheroad.Whyisthat?Facial expressionsareusuallythoughtofassimpletoolsofcommunication.ButinhisbookTheExpressionoftheEmotionsinManan...
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