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And I don't know why, but since time immemorial that is the way computer scientists have drawn trees.
叶子是在最下面的，我不知道为什么,但从记事以来他们就是这么画树的,这也许就是为什么我们。
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But the students, they think that I'm an old woman from the cave and I don't know anything
但学生们认为我是住在洞穴的老女人，我什么也不懂，
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I ain't but 18 years old," he cried, "and he made me come and I don't know nobody.
我只不过才18岁“,他哭道，“他就把我逼到这个,我一个人都不认识。
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Other people were reading novels and I don't know what else, but I was reading Fabozzi.
其他人在读小说,我两耳不闻窗外事,一心只读法博齐
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And I don't know, I used to love to quote from it but then I began to realize I'm only quoting that because it's about a guy's eye being gouged out.
我以前讲课很喜欢从中引用,后来我意识到我引用它只是因为,它写的是一个人的眼珠被刨出来而已
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And I don't know the answer to that,of course.
我当然不知道答案。
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and I don't know how much I've said so far but, yeah, totally different than here,
我不确定我说了多少不同之处，但是总的来说，跟这里有很多不同，
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Actually, this is my first Earth Day and I don't know that much about it.
实际上这是我过的第一个地球日，我并不是很了解。
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And I don't know, it's kind of just like a little piece of that
我也说不上来，总是觉得有点儿那个时代的感觉
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and I don't know if you guys know what fraternities and sororities are.
我不清楚你们知不知道兄弟会和姐妹群是什么。
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The third derivative, unfortunately, was never given a name, and I don't know why.
遗憾的是三阶导数没有专门的名称,我也不知道这是为什么
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and I don't know how to phrase this in a politically correct way, but the parents of ugly kids are likely to themselves be ugly people and maybe what they're finding is just ugly people are more violent than good-looking people.
我不知道怎么用不会引起政治争论的话来说，但丑小孩的父母往往也长得丑,也许这个研究的发现是长得丑的人,比长得好看的人更粗暴。
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And I don't know, just like the ability to use what's around you.
运用你拥有的所有表达能力，
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and I don't know why I would go to his wedding now.
所以我看不出来现在我为什么要去参加他的婚礼。
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and I don't know if that's true of all east Asian countries,
我不知道是不是所有东亚国家都是这样，
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And I don't know. It really does the pain.
我也不太清楚，真的很难对比。
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