我们有两个电机，每个后轮一个，因此控制系统必须独立控制每个电机。

We have two motors, one on each rear wheel, so the control system has to control each motor independently.

youdao

有一个先决条件，那就是你必须在一个能培养激情的环境中工作。

There's a prerequisite, that is, you have to work in an environment that nurtures passion.

youdao

一个人必须对自己有正确的估计。

One must have a correct estimate of oneself.

youdao

Right. You really have to have a wise passiveness that moment to really think that every piece of art have that kind of duty behind it.

的确，一个人必须要有这种聪悟的被动,才能在那一瞬间理解到每一个艺术作品,背后都有这个的意义。

普林斯顿公开课 - 人性课程节选

I mean this is perhaps a real sort of crossroad that I think a lot of people of faith feel they have to decide between which way they're going to go.

我是说，这或许真的是一个十字路口,许多有信仰的人感觉到,他们必须选择自己将会走哪一条路。

普林斯顿公开课 - 人性课程节选

Okay, have to stop there--might add a word or two-- but on Thursday we turn, I'm afraid with a certain awkwardness; I wish there were an intervening weekend, to Freud and Peter Brooks.

好的，必须在此停下了，再加一两句-,到周四我们将会，恐怕有点尴尬;,我希望会有一个周末，留给弗洛伊德和彼得，布鲁克斯。

耶鲁公开课 - 文学理论导论课程节选