If you try to imagine a smile with no body at all, it can't be done. Why?

如果你要相信一个没有身体的微笑,那是根本做不到的 为什么呢

耶鲁公开课 - 死亡课程节选

Try to imagine a world in which somebody's smile exists but their body doesn't.

试图想象一个世界里某人的微笑存在,而身体不存在

耶鲁公开课 - 死亡课程节选