If it doesn't work out, who is to know.

即使你没有受到启迪，有什么关系。

普林斯顿公开课 - 人性课程节选

So someone who doesn't have a lot of money, they can, you know, give a little bit

所以那些不是很富有的人，可以用很少的钱

有机农庭院 - SpeakingMax英语口语达人

.. Under the next president spending... I don't know anybody who doesn't expect spending to increase because as the baby boomer's age, they'll claim more and more from government entitlement programs.

那么下届总统的财政支出。,想必每个人都希望财政支出继续增加,这一代人刚好出生于婴儿潮时期，他们对政府授权机制向来欲求不满。

斯坦福公开课 - 经济学课程节选

The Sixth Sense on Starz, for the one person out there who doesn't know the ending.

ENGADGET: HDTV Listings of August 28, 2007 HD

How, some people ask, can someone who doesn't know clearly his or her own sex benefit humanity and society?

CNN: ASIANOW - TIME Asia | Young China | 'Is There Anything Wrong with Love?'

But the second saddest sight in sports is the great athlete who doesn't know his or her career is over.

WSJ: Rivera's So-Called Retirement