If you feel exposed without a text book, you really have to have a textbook, John actually I'm going to reuse that word, John, at least suggest it, on the course website.

如果你觉得没有教科书就缺乏安全感的话，那你真的需要一个了，其实我应该重新使用这个词儿，至少是建议，你能在课程网站上找到。

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without acknowledging that you actually have done something wrong.

但实际上你并没有承认你是否真正犯了错。

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It's deliberate that a lot of the examples in lecture are fairly short and bite-size so that you can actually focus on pulling out the key ideas without getting distracted by line and lines of code.

很多的演讲中的例子,是短小的,因此你们可以集中于提取其中的主要思想,而不是被一行行的代码给分心。

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"If you can scale your business without capital, you're actually cooler" than startups in Silicon Valley, she says.

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Carl battled Tony down to the wire and came about as close as you can get without actually winning.

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You know, without actually bulldozing a train station.

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