We have a one hour section that's designed to give you some more detailed experience, some hands on experience with some of the topics we're talking about.

有个维时一小时的环节,用来给你们增加更详细的经验,一些实验操作方面的经验,有关我们讲过的内容

耶鲁公开课 - 生物医学工程探索课程节选

There's a kind of aspect of value for many of us where we feel that something's especially valuable if it won't endure, if it's fragile, or if it's rare.

对我们许多人来说，有一种价值的方面在于,如果某事物不是持续的，如果是易碎的,或者是稀有的，我们就觉得它特别有价值。

耶鲁公开课 - 死亡课程节选