Senate Republican leader Mitch McConnell of Kentucky expressed his disappointment with Specter's decision, saying it could undermine Republicans' ability to put a check on the Democratic majority.

VOA: standard.2009.04.28

So if in fact I wanted to make sure this was a number, I should have done something like either try and convert it to a number, which of course failed here, or put in a check to say where it is.

因此实际上如果我想确保,这是一个数字的话，我们的课程上的代码,在这里失败了，你或许应该在这里，放一个检查的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

I also issued them a passport, put their picture in it, had them sign their names, check to see how they know their addresses.

我还给他们每人发了一个护照，把他们的照片放在里面，并让他们签名，从而检查他们。

麻省理工公开课 - 媒体、教育、市场课程节选

So that's just a little bit of a check for yourself, and it should make sense because what you're doing is you're calculating the difference between energy levels, so you just need to flip around which you put first to end up with a positive number here, and that's a little bit of a check that you can do what yourself.

所以你们总要确保括号，离得这项是正的，这是你们自己,可以做的检查，这事很有道理的，因为你们做的是计算能量差,所以你需要调整顺序来保证一个正数，这是你们自己可以做的检查。

麻省理工公开课 - 化学原理课程节选

it turns out, that this will be a bug, and I want you to think about why it's wrong for me to put this check here.

结果表明我们这儿有一个漏洞，我希望你们去想一想为什么,我把这个check放在这儿就出现漏洞了。

麻省理工公开课 - 计算机科学及编程导论课程节选