Pieces of gypsum broke off. The wind wore them away to a size small enough to pick up and carry for short distances.

VOA: special.2010.01.04

I start off, either I take this path and carry on, or I take that path and carry on, but each box, if you like, gets touched exactly once.

程序开始后，或者采取这条路径然后继续，或者采取那条路径然后继续，但是每个图形，如果你喜欢这么说的话。

麻省理工公开课 - 计算机科学及编程导论课程节选