Most advanced countries of the world today have a corporate profits tax rate for large corporations of about a third.

现在世界上大多数的发达国家,都征收企业所得税,对大企业来说税率大概是三分之一

耶鲁公开课 - 金融市场课程节选

Birds of a feather may flock together but opposites don't really attract each other.

人以群分,反差太大，不容易吸引对方。

耶鲁公开课 - 心理学导论课程节选