Therefore, in order to pick more conveniently, we need filter for equalizing wavelength.

因此，为了有利于层位对比，需要进行等波长滤波。

youdao

We need a filter or a lens to talk about then what is ultimately in control.

我们需要一个过滤器或一个镜头来谈论最终控制的是什么。

youdao

For instance, we need more powerful ways to filter the information we get online, so that we don't get a mass case of distractibility.

例如，我们就应该下大力气，想办法使我们从网络上获取的信息得到过滤，使我们不会出现被集体误导的情形。

youdao

Ultimately, we need a filter or a lens to talk about then what is ultimately in control.

最终，我们需要一个视窗，一个镜头,来讨论什么是最终的控制者。

普林斯顿公开课 - 人性课程节选