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It's too early to tell what the impact on learning will be from open course ware but we know from messages people have sent us that educators see tremendous value in being able to use the site to build work upon others.
现在还不好说,但是通过人们发来的邮件我们知道了,教育者对于能够在别人的基础上,展开自己的工作给予很高赞扬,他们现在可以节约下时间。
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because then you can solve new problems on midterms and what not if you understand the conceptual part.
因为这样你可以解决中期的新的问题，如果你不理解的话，就不好说了。
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One figure? I don't know. I can't say. That's hard. Charles Darwin will be up there.
只选一个吗？不好说，这太难选了。查尔斯·达尔文肯定在其中。
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Like in popular music there's often a couple of verses and a chorus and a bridge and you can predict each different movement of the piece, and that's more regular than-- Couldn't say it better myself.
就像在流行音乐中有很多的曲段，副歌,和过渡乐节，这样你就可以预测到音乐的每一个变化，这样就比别的要规则-,光我一个人不好说太细。
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I can't say because I need some person to listen to me
我不好说，因为我需要一个人听我说英语，
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Oh gosh, that's a bit hard.
天哪，这有点不好说。
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t know.
哦，这不好说，Oh，，I，don’
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