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That's why many of them are thinking really very hard of how to foster entrepreneurship, how to encourage innovation.
这就是为什么大家都在思索,如何才能培养企业家精神，如何鼓励创新。
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And once you... when you're having that bad of a season, it's really hard to get everyone passionate about it,
所以一旦赛季取得很差的成绩，就很难保持球队的激情，
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So on your computer's hard drive are again, a whole bunch of tiny magnetic particles aligned this way or this way.
因此，你的电脑硬盘是完全是,有一簇按照这种方式排列的磁性粒子。
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It's this kind of wealth that allow them to fight this long, hard war of independence, which they finally win.
这些所带来的财富,就成了他们为之奋斗的原动力,使得他们在艰苦的独立战争中获得胜利
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What did you learn about how easy or hard it is to keep track of what food intake is?
你从记录食物摄入过程中,学到了什么,记录饮食是难是易
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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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So there's a lot of power in this, both engagement and both allowing students to get conceptual understandings of things that are very hard to understand and they're abstract.
所以这是很强大的，不论是参与性,还是使学生能更好,理解那些,很难的概念,很抽象的概念。
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Because it's hard when you go back being part of any group. Once you are in that group, and away from other people, it's very hard to remember We've talked that -Oh, have you?
因为如果你回到原来的群体中,就会变得难了，因为你只要一呆在那个群体中，远离其他人，就很难,我们聊过这个，-是吗？
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Numbers are hard. That's why we teach whole semesters worth of courses in number theory.
因此我们整个学期关于数学理论,的学习也是物有所值。
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These cells are rare and so it's been hard to identify them, that's part of it.
这些细胞太少了,所以很难找到,这是原因之一
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But, to anyone paying attention to the other things that Zooey says and the other things that he does in this novel, this is kind of odd, and it's hard to square.
但是，在小说里，在意着任何,左伊说的或做的其他事情的人，有点奇怪，非常难达成一致。
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What's the point of making life so hard for himself?
为什么把自己搞的那么累？
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But another possibility is once you do something it's kind of hard to stop.
但也有可能是因为,婴儿很难使自己的惯性动作停下来
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That's not hard; you have it right in front of you.
并不难回答的问题，可以从你面前的那张纸上找到答案。
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We respnded aggressively, very aggressively on a lot of different occasions, and it was the kind of crisis that is just hard to keep control of. Ultimately we did.
我们的应对措施很强势，非常强势,在很多情况下都是如此，这次危机是,很难控制的，但最终我们做到了。
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If the invader chooses the hard pass he will lose one battalion of his army simply in getting over the mountains, simply in going through the hard pass.
如果侵略者选择崎岖的路,仅在穿越阿尔卑斯山的途中,他就要损失一个营的兵力,这就是选崎岖之路的代价
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