你们已经展示了历史留给我们的教训：在这种决定性的时刻，我们需要的改变，不是“来自”华盛顿。

You have shown what history teaches us - that at defining moments like this one, the change we need doesn't come from Washington.

youdao

我们大多数人需要看一看和改变一下如何管理我们手机的使用。

The majority of us probably need to take a look and change how we manage our cellphone use.

youdao

我们需要改变一下我们的（家居）形象，况且它们也不是真正的古董。

We need to promote our image besides it's not a real antique.

youdao

So that's the only change we need to make there and watch what happens when we actually run this.

那就是我们需要改变的,并且当我们运行它，会发生什么事情。

哈佛公开课 - 计算机科学课程节选

So we don't really need to put in a certain amount of heat and change the temperature of the products and the calorimeter and so on.

所以我们实际上并不需要输入,一定的热量，改变生成物,和量热计的温度之类。

麻省理工公开课 - 热力学与动力学课程节选

I believe that and why do we need to have it as a basic premise of the course, '?" as opposed to change is illusive?"

我相信这一点，但为什么我们需要把它,作为课程的基本前提，而不说'改变是虚幻的“

哈佛公开课 - 幸福课课程节选