Simple as that. You don't need to know anymore.

就是这样，你只需要知道这么多。

youdao

You don't need to know what your neighbor is thinking.

你不用去知道你的邻居正在想什么。

youdao

You don't need to know, how the (remote) technology work.

你不需要知道，(远程)技术是如何工作的。

youdao

In this case, V = /P. Have two quantities and the number of moles gives you another property. You don't need to know the volume. All you need to know is the pressure and temperature and the number of moles to get the volume.

以及气体的摩尔数,就可以得到第三个量,知道压强，温度和气体的,摩尔数就可以推导出气体的体积,这称为状态方程,它建立了状态函数之间的联系。

麻省理工公开课 - 热力学与动力学课程节选

you don't need to go to high school if they'll hire you, you know, whatever.

如果他们答应给你工作，你连高中都不用上。

想成为律师的话 - SpeakingMax英语口语达人

Computing square root. I'm going to capture it in a piece of code, I'm going to be able to refer to it by a name, and I'm going to suppress the details, meaning inside of that computation, you don't need to know what it does. You just need to know, if I give it the right kind of input, it'll give me back an input that satisfies the contract that I set up.

比如计算平方根,我会用一段代码来说明,我将给它命名,并且忽略细节,意思就是在这一段计算过程中,你不用知道它做了什么，你只需知道，如果我进行了正确的输入,它将会给我符合条件的输出。

麻省理工公开课 - 计算机科学及编程导论课程节选

" When he says he doesn't need to know, she asks, "You don't need to know my name?

NPR: Witherspoon Pleads No Contest, Fined After Arrest

Generally, though, you don't need to know your score on a day-to-day basis.

WSJ: Getting Going: Why the Latest Credit-Score Fixes Fall Short

And you don't need to know math to appreciate that.

FORBES: Magazine Article