Even though we have a noun, the smile, that if you're not careful might lull you into thinking there must be a thing, the smile.

即使我们有笑容这个名词,如果你不够谨慎,可能会想当然地认为,一定存在着笑容这一事物

耶鲁公开课 - 死亡课程节选

Most of us don't know enough to know with a high degree of accuracy how things would have gone had I decided to become a farmer instead of a philosopher.

多数人了解得都不够,无法更确切地知道,如果我成为农夫而非哲学家,到底会有怎样的人生。

耶鲁公开课 - 死亡课程节选