And there are some interesting discoveries people have made about smiles and about smiles and the emotions.

有一些有趣的发现,人们微笑，微笑与情感有关。

耶鲁公开课 - 心理学导论课程节选

Professor Paul Bloom: How come some people's smiles are better than other people's smiles?

为什么有些人微笑比另一些人甜美？

耶鲁公开课 - 心理学导论课程节选

Student: How come some people's smiles are better than other people's smiles?

为什么有些人微笑比另一些甜美？

耶鲁公开课 - 心理学导论课程节选