Final question for anybody interested in laughter is, "Why can't we tickle ourselves?"

对笑感兴趣的同学，最后一个问题，“为什么我们不能胳肢自己？”

耶鲁公开课 - 心理学导论课程节选

Here's one last example that I think you'll find interesting.

下面我们来看最后一个例子，我相信你会对它感兴趣的。

I'm worried 课堂 - SpeakingMax英语口语达人