- 問題詳情:Itistruethatasmilemeansthesamethinginanylanguage.Sodoeslaughterorcrying.Therearealsoanumberofclearsimilaritiesinthewaydifferentanimalsshowthesamefeeling.Dogs,tigersandhumans,forexample,oftenshowtheirteethwhentheyareangry.Thisisprobablybecause...
- 20176