Nowadays, if you go to outer space, you can check for yourself that if you throw something out, it just goes on forever without your intervention.

现如今,如果你去了外太空,你可以向外抛个物体试试,如果你不打断它,它就会一直运动下去

耶鲁公开课 - 基础物理课程节选

Before eating the last slice, you could check with your friends to make sure it's alright for you to delve in.

在伸手拿最后那片披萨前，你可以跟你的朋友确认下，你吃完最后一片有没有关系。

Is it okay 课堂 - SpeakingMax英语口语达人

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