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What I want to do today is three things: I'm going to start-- actually, I shouldn't say start, I'm going to do a little bit of administrivia, the kinds of things you need to know about how we're going to run the course.
今天我要做三件事儿：,我要开始了--其实不应该说开始，我准备做一点儿文案工作，也就是关于怎么上课的,一些你们必须知道的东西。
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Please check it, that's where everything's going to be posted in terms of things you need to know.
请一定核查网站，那儿是所有需知信息,发布的地方。
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So these are five things you need to know to be happy.
比如，快乐的五个关键。
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The things that you need to know are the things that are really listed on this slide.
你们需要知道的,都已经列在这个幻灯片上
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And that we need to see your work to get full credit, and then especially if you get things wrong, we need to know where it went wrong.
我们需要看到这些才能给你所有分数，尤其是当你出错的时候，我们需要知道是哪里错了。
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