.. Ok, so... I think I don't need to explain to you why there is one lecture in the semester that I don't teach and Sean will teach it.

好的，那么。,我想我不需要跟你们解释,为什么这学期有一节课不是我教而是Sean教的。

哈佛公开课 - 幸福课课程节选

All right, now what we're going to learn next time and Bob Field is going to teach the lecture next time, is how heat and work are related, and how they're really the same thing, and how they're related through the first law, through energy conservation.

这节课就到这里,下节课将由Bob，Field讲授,我们将学习功与热量的关系，认识到它们在本质上的相同之处，并通过热力学第一定律，亦即能量守恒定律，把它们联系起来。

麻省理工公开课 - 热力学与动力学课程节选