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。
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 have real power and we know it.
我们具有真正的伟力，我们深知这一点。
而现在，我们都知道，实际并不是这样。
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？
我们知道谁是冠军！
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。
Whether we know it or not, we are like the tree.
不管我们知道与否，其实我们就像这棵树。
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。
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？
But nonetheless the boundaries exist, and we know it.
但是无论如何，这一界限总是存在的。
"We have to confront the world as we know it," he said.
“我们必须承认这个世界的实际情况，”他表示。
Borges's universe didn't have the Internet as we know it.
据我们所知，博尔赫斯当年的世界里还没有网络。
As far as we know it doesn't bring any significant overhead.
据我们所知，它没有带来任何显著的开销。
With our team we can win there but we know it will be difficult.
凭实力我们能在那里取胜，但我们知道这很困难。
But science suggests that multitasking as we know it is a myth.
但科学显示我们所知的一心多用只是个神话。
When we set out on this project, we know it would be successful.
我们着手做这个项目时，就知道它一定会成功。
We have a microbe doing something different than life as we know it.
我们培养了一种和我们所知的生命完全不同的微生物。
The complexity of human eyes is unsurpassed in nature as we know it.
众所周知，自然之中，唯有人眼的复杂是无与伦比的。
Everyone says the same thing: Wall Street as we know it is finished.
每个人说的话都一样：华尔街完了。
Yet this moment of glory also marks the end of Europe as we know it.
然而这一荣耀的时刻也标志着我们熟知的欧洲的终结。
We don't really understand the mechanisms behind it, but we know it works.
我们并不真正了解它背后的机制，但我们知道它具有这样的作用。
We can then add to it the attributes we know it will need (Figure 17).
随后为其添加已知的必要属性(图17)。
Social networking is overwhelming the entertainment industry as we know it.
正如我们所知，社交网络正在淹没娱乐产业。
Habits of thought and action form the skeletal structure of life as we know it.
思想和行为养成习惯，构成了我们所知道的生命的基本结构。
Habits of thought and action form the skeletal structure of life as we know it.
思想和行为养成习惯，构成了我们所知道的生命的基本结构。
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