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So, doing those probability density dot graphs, we can get an idea of the shape of those orbitals, we know that they're spherically symmetrical.
概率密度点图上,我们可以对这些轨道的形状，有个大概了解,我们知道它们是球，对称的,我们今天不讲。
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But for me, I like to look at something and just say, "I like this. I don't really know why though."
但对我来说，我喜欢看着某个东西，然后说，“我喜欢这个。但我也不知道为什么。”
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- You open Brooks and you find yourself really apart perhaps-- I don't know how well all of you are acquainted with the texts of Freud.
也许你们看布鲁克斯的作品时会觉得很头疼-,我不知道你们对弗洛伊德那几篇文章理解的如何了。
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The technical expression of that in philosophy is common knowledge, which I can never spell, so I'm going to wing it.
在哲学上叫做共同知识,我不知道拼写对不对,我看一下
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Maybe you don't even know what this-- do you all know what carbon paper-- I guess you do know what this is, right?
或许你们甚至都不知道这是什么东西-,你们都知道复写纸吗-,我猜你们都知道这是什么，对吧？
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It is a much scarrier idea than saying I have this, I'm going to do it, I'm going to put it down there as opposed to being open to what may come and being uncertain whether that would be something good enough.
这和，我知道了，我要做这个，我想写这个，这种确定感相比,对可能的结果保持一种开放的心态，不知道,期待能否满足的未知感相比，更挑战一些。
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I think the simple fact of the matter is we don't know enough about consciousness yet to know whether or not it can be explained in physical terms.
一个简单的事实就是,我们对于意识了解甚少,还不知道是否能使用物理的方式对其进行解释
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This seems to be a statement of his alienation or disaffection from the concerns of his fellow Athenians. I know nothing about what you do or what you care about.
这似乎是他对雅典同胞,所关心之事务疏离,或不满的表述,我不知道你做啥。
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I don't know how much you've seen, but quite often the way you learned physics earlier on in high school is probably different from the way professional physicists think about it.
我不知道你们对物理有多少了解,但你们以前在高中所学的物理知识,和资深物理学家们的看法,常常是很不一样的
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Now there was a time when people thought fat was bad and it didn't-- and people didn't really understand there were different kinds of fat, or they didn't realize that different kinds of fat had different impacts on health.
曾经有段时期,人们认为脂肪是有害的,它不能...,人们当时不知道脂肪还分不同种类,所以就没有意识到,不同的脂肪对人体有不同的影响
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It's not that critical. -Also... ... well exactly it doesn't affect the... You know the unemployment rate has been lower during this period than in the '70s as we talked about a few minutes ago so... Let me quote to you Pat Buchanan, Ken, alright?
没那么重要，对吧，-再则。,它确实不影响。,要知道，这段时期的失业率,一直低于70年代,这个我们几分钟前曾提到过。,肯，我们先来看看帕特·布坎南怎么说吧？
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which I don't know if you guys are familiar with. It's like a rural state in the middle of America,
我不知道你们对那里熟不熟悉。
这是在美国中部的一个以乡村为主的州。
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And so he explains to the master: I knew thou was't an hard man which reapest where thou sowedst not and gatherest where thou strawest not.
他对主人解释：,我知道你不是个努力的人,你收获不是你播种的。
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You didn't know who wrote it, where, when, how, why, and someone says to you, "I want you to draw some conclusions about that piece of writing.
你不知道是谁，在哪里，什么时间，怎么样，为什么要写,然后你被要求对篇文章，做一个总结。
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And all we know about this is that it's really for some irreversible reversible step.
我们知道,这个式子,对不可逆过程成立。
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Just so you know." Unbeknownst to the teachers, the actual test which was given to those students was a regular off-the-shelf IQ test.
只有你们知道就好“老师们不知道的是，对学生进行的测试,只是普通的现成的智商测试。
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bug And maybe by understanding why it worked on a and not on b, you'll get a lot of insight that you won't if you just focus on the bug.
发现很多东西，而你只关注,本身的话就发现不了这么多东西,如果知道你的程序至少还对。
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They had a bad break coming from Africa but that's the way it goes. Uh-uh.
知道黑人奴隶自非洲来很不容易,我们对他们的印象就是如此,错
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And for me it's fun because I may not know the novel that you end up picking, and so it is a kind of challenge for me to take a novel that you've chosen and come to grips with it myself It may be one that I know.
我也觉得很好玩,因为我可能不知道你们最后选择的小说，所以对我来说,认真对待你们选的一本书很有挑战性,可能是一本我知道的书。
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Where--One of the big findings from social psychology, and we'll devote almost an entire lecture to this, that people have strong views about other races that they don't know about and that they don't know how to control their actions.
我们将来几乎会用一堂课的时间，来介绍一个社会心理学的重大发现，人们对其他的民族有极深的成见,但这些成见往往是他们自己无法察觉的,也是他们不知道该如何去控制的。
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Those doctors would still not be able to improve school performance of the kids with learning disabilities and they would still not be able to prevent cognitive impairment and loss of memory in older adults because at this point we don't really understand enough about learning To know which neurons and synapses within a circuit would need to be tinkered with.
他恐怕还是改变不了有学习障碍的孩子们的表现,阻挡不了老年人的认知功能损害和记忆力的衰退,因为我们对这一学科的确知之甚少,不知道知道回路中的到底是哪些神经元和神经突触需要修复。
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And it's like, you wouldn't get these kind of opportunities if you didn't know the right people, you know.
这就是，要是你不认识对了人，你是得不到这些机会的，你知道。
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Right? That would be an entirely different matter, wouldn't it, because you would have absolutely no idea whether the question was rhetorical or grammatical, right?
对吧，那将会是一个完全不同的情况，难道不是吗，因为你就会完全不知道,这个问句是修辞型的还是语法型的，对吧？
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Right? But he says, "You know what? That is well nigh impossible.
对吗？，但他说，你知道吗，这近乎不可能。
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Mr. Carl Icahn: Yeah, I don't know much about currencies and I really don't get into something I don't know something about--or generally don't.
伊坎先生：不太了解货币领域的事情,我对某些东西没有深入的研究,我不知道关于--或者大体上不知道。
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I just don't know which it is, right?
我不知道哪一个是对的
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But we don't know the mass, right?
但我们还不知道质量,对吧
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Don't know,right?
不知道了对不对？
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I don't actually know whether it's deserved or not, because Yale does not publish information about what the grading averages are.
我不知道这名声是不是我应得的，因为耶鲁并没有对什么是普通的评分标准,发表文章。
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So why I didn't necessarily say to myself "These people are just wrong!", I discovered there were many things about other communities and cultures that I just didn't know.
我并没有对自己说,“这些人肯本就是错了！“,相反，我发现了许多,我原先根本不知道的,有关别的社区和文化背景的事情。
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