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I don't have to go read what it printed out in the screen. This has returned a value that I can use. Because I could do a test to say, is this a return value? If it's not, I'll do something else with it. So the binding is still there, it simply doesn't print it out.
我不想读到屏幕中打印出来的这行字,程序返回过一个我能够使用的值,因为我可以做个小测试，来说明这是否是返回的值，如果不是，我可以做一些其它的事,而这个绑定依然在这儿，没有打印任何东西。
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People tend to want to rush in and do this right away.
人们通常都很着急的去做集成测试,这通常来说是个犯了个大错。
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So just as a little sanity check, number 15 in binary would be?
再来做个测试，那么二进制中15怎样表达？
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What I'd like to do--and this will be the first time I've the clicker thing in the class so let's try out this little quiz and see how it works.
我想要--这是我第一次,在课上使用表决器,所以我们先做个小测试看看效果如何
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And, likewise, there will be a test running from 1:05 to 1:55: two different tests of comparable difficulty. I did this last year, and the difference in the scores on all three tests 1% was less than 1%.
还有，测试的时间会是,从1点5分到1点55分，两个不同的测试,但是难度差不多，我去年这样做过，3个测试的分数的区别,不到。
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Well, let's try it. Let's try a little test. OK?
不过我们还是来试试吧，做个小测试怎么样？
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All right, let's test it.
好，让我们做个测试。
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