They've been replaced by aliens or robots "Thank you" by Martians, by CIA agents, by trained actors and actresses.

比如变成了外星人或者机器人,"谢谢",或者变成了火星人,中情局特工,或是训练有素的演员

耶鲁公开课 - 心理学导论课程节选

How can whether or not I am the same guy as the guy who was lecturing to you on Tuesday depend on what's happening in Pennsylvania or Australia or Mars?

我跟星期二给你们讲课的人,是否为同一人这个问题,怎么能取决于在宾州或澳州或火星发生的事情？

耶鲁公开课 - 死亡课程节选

If Martians came down they wouldn't say, "Oh, cute baby."

如果火星人到地球,他们不会说，可爱的孩子“

耶鲁公开课 - 心理学导论课程节选