But it was a big, fake smile, the Pan Am smile, a smile to communicate "hello" and but it's as opposed to a smile where the communication is that of genuine happiness.

但那是大大的，虚假的微笑，泛美式微笑，微笑意味着你好,但与微笑截然相反,交流时微笑是真正开心的。

耶鲁公开课 - 心理学导论课程节选

people just can't be happy if they are living a life that is contrary to the type of person they are.

如果人们的生活与他们真实的自我背道而驰，那么他们是不会开心的。

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