好吧，当你需要我的时候，只需叫我我便会及时赶到。

Well, when you want me, holler and I'll be there on time.

youdao

给你我最美好的祝福，当你需要我时，我会在你的身边。

Give you my best wishes when ever you need me, I'll always be there for you.

youdao

当你需要我的时候，我会在你总是，我会在那里穿过寂寞的日子。

And when you need me, I'll be there for you always, I'll be there thru the lonely days.

youdao

They may be not on the national radar For me, in my own life, when I think of real heroes or even role models, or well-known people in the Patheon of struggle.

有哪些是你觉得人们需要了解的？,对于我来说，当我想到真正的英雄或者榜样时，或者先贤祠中的名人。

普林斯顿公开课 - 人性课程节选

It is true mathematically, you can add two numbers, but you've got to ask yourself,"What am I doing as a physicist when I add these two numbers?"

在数学上它是正确的,你可以引入这两个常数,但是你需要问问自己,当我引入这两个常数时,这么做有什么物理意义

耶鲁公开课 - 基础物理课程节选