但是他们不必知道所有的日期。

But they don't need to know all the dates.

youdao

他们根本不必知道你的任何担忧。

They really don't need to know about everything that worries you.

youdao

客户端的程序员甚至不必知道所包括的附件。

The client programmer need not even be aware that attachments are involved.

youdao

Well if I-- you know, with let me say it differently. I don't need to worry about how checking is done, it's handled inside of that function.

好，如果你们知道，抱歉，让我们换种说法,我不必担心检查工作,是则会么做的，这是在方法体内部进行的。

麻省理工公开课 - 计算机科学及编程导论课程节选

You don't have to buy into it; you just have to know it, okay.

你们不必想念它，但是你们必须知道它，好吧。

耶鲁公开课 - 旧约导论课程节选

You don't have to know anything about wave-like behavior.

你们不必知道,有关波的形式的东西。

麻省理工公开课 - 固态化学导论课程节选