You never know what's going to happen tomorrow. You never know who will be leaving you and never return ever again.

你永远不知道明天发生什么，你不知道谁将离开你并且永远不会回来。

youdao

I would have never, never chose to keep them if they would have had to keep me away from people or you know, living whatever normal is you know.

如果他们不让我接近人群或者过着非常人的生活，我是绝对不会选择继续留指甲的。

youdao

You will never know the beginning and you will never know the end because there are none.

你将永远不知道开头，你将永远不知道结尾，因为根本没有。

youdao

So I've never felt like a minority because,as you know, minorities are never supposed to say anything unkind about one another."

VOA: special.2010.08.08

To put it differently, in order to know what "Dogs" means, you never had to learn the word "Dogs."

换个说法,为了知道"狗狗们"的意思,你不需要去学"狗狗们"这个词

耶鲁公开课 - 心理学导论课程节选

It was the first time I actually I've never got into a church in my kind of modern Presbyterian church in Madison, you know in Wisconsin where I grew up.

那真的是我第一次感受到,我从来都没有在,麦迪逊去过现代的长老会教堂，你们知道吧，我是在威斯康星洲的麦迪逊长大的。

普林斯顿公开课 - 人性课程节选

Oh - we talked about this as recently as a week ago because I felt that, you know, you never know how - there are these urban myths, you know.

NPR: Ask Amy: Responding to the Thin Envelope

In simplest terms, you never know what might happen to your job, and you never know what opportunities are out there waiting for you.

FORBES: Lead with Your Strengths and Build Your Personal Brand Online

That's why we have programs like Medicare and Social Security and unemployment insurance, because any one of us -- I don't care how lucky you are, how rich you are, how blessed you are -- you never know, you could face a layoff, or a crippling illness, or a run of bad luck, or a tragedy.

WHITEHOUSE: President Obama Speaks on Skills for American Workers