Mister Brennan says about one hundred seventy kinds of birds use the island for a nesting place.

VOA: special.2009.10.06

So notice the nesting, I can flow my way through how those tests are actually going to take place.

请注意嵌套，我可以跳过,其中不执行一些语句。

麻省理工公开课 - 计算机科学及编程导论课程节选