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That is to say that when we think we're telling the truth we're actually using worn-out figures of speech.
也就是说我们认为我们在讲述真理的时候,我们实际上却在使用一些陈腐的修辞手法。
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Some of the schools that they rate and say that kids are not learning and the tests are too easy.
他们评价一些学校的时候，发现孩子们没有学习，并且考试太容易了。
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So this project was, let's see if we can detect any alpha particles by making a detector that swings around.
当你是本科生的时候，你们的导师会派一些,你们看上去很傻的工作,给你们干，现在这个工作就是。
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I've got some internal variables I have to store, what kinds of things do I have to keep track of?
计算的时候需要占用多少内存,我需要存储一些内部变量,我需要记录哪些东西呢？
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It's late for some personal reasons as well. Milton had been, as you know, anticipating writing this poem since he was at least nineteen years old.
也有一些个人原因，你们知道，弥尔顿至少在19岁的时候就想要写这样一首诗了。
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In other cases, the virus propagates in such high numbers that release is literally an explosion of the cell.
在另一些时候,病毒的数量相当大,那么释放病毒就会使细胞的爆裂
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We'll grade them leniently in the beginning and so everybody will get some feedback about how they're doing on those.
在开始的时候我们的评分会很宽松,每个人会得到一些他们观点报告,做的如何的反馈
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But it's those kinds of questions that, there's a little bit of spark, there's a little bit of a powerful force and there's just a lot of hard work to get from here to there.
但是问题是，那时候已经产生了一些火花，一些外在动力,只不过达成目标还需要大量的艰苦工作。
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One of the consequences of being in comfort is that people get really good at identifying people.
人们放松的时候,会变得善于识别一些人。
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I give homework, and you'll see you have homework questions with model solutions at the outset.
我布置作业，你们得到一些问题,也会得到参考答案，在开始的时候。
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So what do you do when you're a kid and you want 3 to count a little faster than 1 and 2 and 3 and 4 what is the simplest thing you do?
因此当你还是个孩子的时候,你想数得比1，2，3，4快一些3,最简单的方法是什么？
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Or more carefully, it's way about talking about certain things the body can do when it's functioning properly, when it's well tuned, as we might put it.
或者更谨慎地说是谈论,身体在机能正常的时候,可以进行的一些活动，我们也可以说在音调调好的时候。
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In August, or actually it was a little bit earlier--July.
月,准确的说更早一些,7月的时候
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You can go buy a score of the Beatles, for example--although they didn't design this initially with music, but after the fact,people sort of listen to it and make written-- put in written form what had originally been just an aurally conceived artistic statement.
你完全可以去，比如说买一些披头士的乐谱，但是他们当初写歌的时候并没有想用乐谱的形式传播，事实是人们听了他们的歌，再把它们写下来-,人们只是把一项为听觉设计的艺术品用笔记录下来。
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but it's important to get some peace and quiet sometimes, so I do go to Central Park for that.
但有时候得到一些平静和安宁也很重要，这种时候我就会去中央公园。
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But I think as you get older, like when you were younger, you might want to do acting
但是我觉得你胆子大一些的时候，比如小的时候，你可能想当演员，
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You might even go further, you might say modeling it is always going to miss stuff out, so let's just not bother.
你可能会更进一步说,建模的时候总会忽略一些因素,所以干脆也不要建模了
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First one, when I write a piece of code, especially code that has branches in it, when I design test cases for that piece of code, I should try and have a specific test case for each possible path through the code.
第一点，当我们写代码的时候，尤其是一些含有分支语句的代码的时候，当我为这些代码,设计测试用例的时候，我应该为每一个可能的程序路径,都设计一个特别的用例。
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The only thing that's different is that they're one down on the periodic table, potassium is down one row, so it's going to be a little bigger, but when we're thinking about size, it maybe does not seem that significant to talk about the size.
它们唯一的不同点,就在于其中一个在周期表的下面，钾在下一行，因此它要稍微大一些，但是当我们考虑尺寸的时候，似乎讨论尺寸的意义不大。
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In very severe cases, it can even defile some common objects, and in those cases, the source of impurity might have to be isolated or excluded if necessary.
在一些非常严峻的情况中，它会玷污一些普通的事物，在这种时候，不洁之源,也许只能被孤立，严重的话需要驱逐。
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So, here's the reading. So, for example today, there is a vision statement, administrative details and I'm going to get a little bit of teaching towards the end. And, if you wanted to, you could crack the book and look at chapter one.
这是阅读材料，例如说，今天，有一个远景说明，行政管理的细节,末尾的时候我会讲一些教学的内容,如果你们想要的话，你可以打开那本书，翻到第一章。
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And we hope that at the end of the class, every time you're confronted with some technical problem, one of your first instincts is going to be, "How do I write the piece of code that's going to help me solve that?"
并且我们希望到了期末，每当你要面对一些,技术问题的时候，你们的本能之一将会是：,“我怎么才能编写一个代码,来帮我解决这问题？“
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Fast forward mid-semester when we talk about cryptography and scrambling information, we need the ability to express ourselves in words, not just numbers, and we have that already.
回想一下期中的时候，我们讨论过密码学,和一些不规则信息,我们需要话语来表达自己，而不是数字，其实我们已经有了。
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I still want to start with some theory and I thought that--well I will--I plan to start by talking about the most basic concepts of risk management, which underlie finance.
课程开始的时候会涉及一些理论,我认为这些理论,是风险管理最基本的概念,也是金融学中最基础的概念
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The amount of food available is striking, I mean in the period of time I was--since I was a child there are a lot of changes that have occurred, and I mentioned some of this in the last class-- but when I was a child you didn't have rows and rows of food at a drugstore.
现有粮食的数量是惊人的,当我还是小孩的时候,身边就发生了很多变化,我上节课曾提到过一些,在我小的时候,药店里还没有满货架的食品
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So, normally at this point, we do actually start class with a little bit of history from alchemy to modern chemistry, but I decided to skip that this year.
通常在这个时候,我们要从一些从炼金术,到现代化学的历史出发正式开始我们的课程。
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This is the sort of thing that people who do numerical programming worry about all the time. And there are a lot of a little tricks they use to deal with that, they'll perturb it a little bit, things like that.
这是一些做计算编程,要时刻注意的问题,当然有的时候我们还需要,应对一些假象，比如像这样被扰乱的。
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Other times it behaves as a wave, and that is the way it helps us to think and rationalize what we observe.
另一些时候它更像波，而这是能帮助我们思考,和理解我们所观察到的东西的一种方法。
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I wanted to talk about that with a little bit of reference to probability theory and so that's what I will be covering.
讲到这些内容的时候,会涉及一些概率论的知识,这些就是下一讲的内容
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