translation.en: I'm brilliant at this.  Now, in terms of the science of laughter, there isn't very much, but it does turn out that pretty much everything we think we know about laughter is wrong.
translation.zh: 我超擅长这个。 目前，说到关于「笑」的科学研究， 还不太多， 但从现有的研究看来， 我们之前对「笑」的理解 全部都是错的。