And it tries to find the shortest way, subject to those constraints, to get from Point A to Point B. And there are many, many other instances of this kind of thing.

然后谷歌地图开始寻找，满足这些条件的从A地到B地最短路径,还有很多这样的例子，明天我们会再复习一遍这些内容。

麻省理工公开课 - 计算机科学及编程导论课程节选