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。

youdao

Hello everyone. On this special day, it's my pleasure to tell you my viewpoints on what happiness is about.

大家好，在今天这个特别的日子，我很高兴跟大家说说我对幸福的看法。

youdao

Hello, I'm Duanli from bashu international, I'm happy to meet you. I hope we can study each other, live together and share happiness together.

大家好！我是国际部的段黎，认识大家很开心，期待与大家一起学习，一起生活，分享快乐！

youdao

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