You can't take the exam unless you're registered for the class, and we need to make sure we can verify that.

否则你是不能参加这次考试的,除非你注册了这门课，而我们需要确定你能证实这一点。

麻省理工公开课 - 化学原理课程节选

Then they test you to make sure that you have adequate protection, and some people need an additional shot after that.

然后医生会检测以确定你已获得了保护,有些人在测试完后需要再打一针

耶鲁公开课 - 生物医学工程探索课程节选

You don't have to be very smart to figure out where one word begins and one word ends.

你并不需要非常聪明才能够确定,哪里是单词的开始和结束

耶鲁公开课 - 心理学导论课程节选

Right now what you want to make sure is that there is a time that's available... right now all the times are available... but that there is a time that works for you.

现在你需要确定的,是你有现成的时间。,目前所有的时间都是现成的。,而且要有你可以使用的时间。

耶鲁公开课 - 死亡课程节选

Because this is something that could certainly have screwed you up if you didn't realize it did it, and you need to have that discipline to make sure it's doing the right thing.

因为这是一件如果你没意识到,要这么做的话,可能会令你抓狂的一件事，你需要一个规范,来确定Python做了正确的事情。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's important to notice something when it's new because then you have to decide whether it's going to harm you, how to deal with it, to attend to it, but you can't keep on noticing it.

能够注意到新鲜事物的出现是非常重要的,因为你需要确定它是否会对你造成伤害，需要确定如何去处理这个新鲜刺激，但你不能一直去注意它。

耶鲁公开课 - 心理学导论课程节选