If you want to talk about an arrow of any kind, you've got to put a little arrow on top of it.

如果你问要画什么箭头,只要在上面画个小小的箭头就行

耶鲁公开课 - 基础物理课程节选

As long as people... As long as you signal and people know where you are going and what you are going to do,

只要人们……只要你发出信号，人们知道你要去哪儿，你要做什么，

我使用自行车 - SpeakingMax英语口语达人

But I think for anybody who wants to think a little bit out of box, what counts is the chance to try something, and I guess that's what I'm most grateful for in my career.

但我觉得只要你想要,打破陈规思考问题，你最好能尝试做一些事情,所以我在事业中最为感恩的。

普林斯顿公开课 - 人性课程节选