Sporting greatness defies analysis – but we know it when we see it.
运动的伟大无法进行分析–但是我们一看就知道。
Each episode will focus on a different area of science and tell us what we know, how we know it, and what we still don't know.
每一集都将聚焦于一个不同的科学领域，告诉我们，我们知道什么，我们是如何知道的，以及我们仍然不知道什么。
Before we know it, we're thankful for negative things, too.
不知不觉中，我们也会对消极的事情心存感激。
Tourism in the mass form as we know it today is a distinctly twentieth-century phenomenon.
就我们所知，广义的旅游业显然是一个二十世纪的现象。
The islands' native inhabitants called this land mass Aleyska, the "Great Land"; today, we know it as Alaska.
岛上的原住民称这片土地为“伟大的土地”；也就是今天的阿拉斯加。
We know it takes a little time.
我们知道成熟要花一点时间。
We know it is so very important.
我们清楚这事至关重要。
而现在，我们都知道，实际并不是这样。
We have real power and we know it.
我们具有真正的伟力，我们深知这一点。
我们知道你也抱怨过！
What did we know and when did we know it?
我们知道些什么，又是什么时候知道的？
We know it has not met its full potential.
我们知道它还没有发挥出全部潜能。
We know it. We know it forever, right.
我们知道它，我们永远都知道。
We know it was written by a guy named John.
我们知道它的作者是一个名叫约翰的人。
Even when deep inside we know it can t be.
哪怕在内心深处我们清楚这不可能。
Mild enough, that is, for life as we know it.
这样才能足够温和，生命才能存在。
We know it is abstract because it has no body.
我们说它抽象是因为它没有方法主体。
We know it 'sonly half time and a big game to come.
我知道目前为止还只是一半，这场重大的比赛还要来到。
The internet as we know it would cease to exist.
我们所知道的互联网可以不再出现这样的状况。
Water is a key ingredient for life as we know it.
我们知道水是生命组成的一个关键。
The internet as we know it is reaching its limits.
众所周知的英特网面临它的限制。
To a large degree it's the name by which we know it.
在很大程度上，我们所知道的就是它的名字。
They don't fall in love in the sense, as we know it.
他们没有在那种意义上坠入爱河。
But nonetheless the boundaries exist, and we know it.
但是无论如何，这一界限总是存在的。
And, if we know it for a certainty, how do we know it?
如果我们确实知道这些情况，我们又是如何得知的呢？
We know it works; we rely on it daily to get our jobs done.
我们知道它的作用；我们每天都使用它来完成工作。
We know it works; we rely on it daily to get our jobs done.
我们知道它的作用；我们每天都使用它来完成工作。
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