Sara Smile features only three newly-composed songs.

VOA: standard.2009.12.30

What's interesting is about only one out of every ten people can fake a Duchenne smile.

有趣的是只有十分之一的人,可以伪装真正的微笑。

耶鲁公开课 - 心理学导论课程节选

But of course, when you imagine the Cheshire Cat only having the smile there, you're still imagining the cat's lips, teeth, maybe tongue, whatever it is.

但是当然,当你想象笑脸猫只剩下微笑的时候,你仍然想象着它的嘴唇,牙齿 或许还有舌头,不管是什么

耶鲁公开课 - 死亡课程节选

The common man-- The common man can only say, "Of course we smile.

普通人，你们中没有普通人-,普通人只会说，当然，我们微笑。

耶鲁公开课 - 心理学导论课程节选