She adds that is in line with previous years. South Korean companies employ nearly 40,000 North Koreans to produce basic manufactured goods at a special cooperative zone in the North Korean city of Kaesong.

VOA: standard.2009.09.11

But notice the previous line, where I am computing volatility.

但是请注意前面这个语句，我用这个语句计算了浮动值。

麻省理工公开课 - 计算机科学及编程导论课程节选

See if we can find it here. And notice, by the way, that I commented out the previous debugging line, rather than got rid of it.

我们再去从它们的中间开始尝试，看看我们能不能发现问题源,顺便说一下，请注意。

麻省理工公开课 - 计算机科学及编程导论课程节选