End up where you started. It's not quite the same as the shortest path, and figure out the way to do that that involves spending the least money. Or the least time, or something else.

最后回到最初的地方,这和最短路径问题有些不同,需要找出一条花费最少,或者费时最少或者满足其它条件的路径。

麻省理工公开课 - 计算机科学及编程导论课程节选

We'll talk about cells and how they work, how cells in different parts of the body are different, why, and how they contribute to tissues at a very sort of simple level so that you can understand this as we start thinking about using cells for engineering purposes.

我们将会谈论细胞,它们如何工作,身体不同的部位细胞有怎样的不同,为什么它们有所不同,以及这些细胞如何,以十分简单的方式形成组织,这样当我们开始考虑用细胞,来满足工程目的时,你会更容易理解

耶鲁公开课 - 生物医学工程探索课程节选