I also want to note that the end of the material today, so this last topic here, that's the end of the material that's going to be on this first exam.

我还想告诉大家，今天这些内容结束的地方，这个最后的主题，也就是第一次考试,要考到的地方。

麻省理工公开课 - 化学原理课程节选

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