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So essentially it's something that has to come from within the community, with the support, but it really is an evolution.
所以，从本质上来说，人权观念的改变,必须是在帮助下的群体自发觉悟，而且是一种发展。
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I think there are a lot of steps that we can and should take towards mitigating it,
我认为我们有许多方法来减缓气候变暖，而且我们也必须这么做。
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Redleaf went in and said, you should really do it and he convinced them, apparently, and they cut their dividend.
莱德利夫提出,你们必须要这样做,而且他说服了管理层,最终经营者决定降低红利
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A To make an A paper in my class, A to make an A on a paper, not only does the paper have to have the right answers and fulfill the assignment, it has to be written elegantly and excellently.
在我的课上要拿，论文得，不仅内容回答要正确,符合要求，而且必须文笔优美。
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It has to be small, and it has to be lipid soluble in order for it to pass through a cell membrane.
这些分子必须非常小,而且必须是脂溶性的,才能穿过细胞膜
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That's why it's all in French, because it's not copyrighted, and we have to be careful with that in here with these camera rolling--cameras rolling.
都是法文,因为没有相关版权,而且我们必须得特别小心,何况我们还在录像
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And because the experimenters were saying the experiment must go on and very often had a white cloak like doctors or experimenters-- a cloak around them.
因为实验者说实验必须进行下去,而且实验者经常穿着一件白大褂-,就像医生或者实验者。
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And all of this has to be learned through exposure to language users.
而且所有这些都必须通过,暴露于拥有语言使用者的环境才能习得
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And, you have to have reason to do so.
而且你们必须有合理的理由。
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If that which grasps the ideas or the forms must be eternal/non-physical, well one thing we're going to get is, since that which grasps the forms must be non-physical, the soul is not the body.
假如能认知,理念或者型相的事物必须是永恒,非现实的,那么我们能得到的结论是,既然能认知型相的事物必须是非现实的,而且灵魂并不是肉体
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We need not just that you're all rational players, not just that you know each other's rational, but you know everyone else's rational.
不仅需要你们都是理性的参与人,不仅需要你们知道对方是理性的,而且必须知道所有人都是理性的
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And so you have to go back to the drawing board and realize Bubble Sort or whatever it is you're using just isn't enough to snuff, I need to come up with something more clever.
因此，你必须重新开始,而且会意识到冒泡排序,或你正在使用的方法并不理想，我需要提出一种更好的方法。
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And often, if you want to make a lot of it, you have to think about the thermodynamics of the system, how fast the reactions will go and kinetics, and then whether they'll go, the thermodynamics, and sometimes then you need to adjust the reactions, maybe use a transition metal to make it go better.
这种分子就不能正常工作，而且通常来说,如果你要大量生产一个东西,你必须考虑系统的热力学，反应速率和动力学,还有反应是否会发生，热力学，而且有时候你需要调整反应的发生。
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I think, for example, in my own relationships,talks about my marriage, where I have to be vulnerable, I have to take a risk, where in fact I have to be willing to change my mind about my reading of the situation, based on my own fears and insecurities and anxieties.
举我自己的感情，我的婚姻作为例子吧，在婚姻中我会很脆弱，我必须冒险，而且，我必须愿意去改变自己,对当前状况的解读，不安全感和焦虑的影响而变得盲目。
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And the fact that they're actually going to have to pay those loans back when they graduate,
而且，在毕业的时候，学生必须偿还贷款，
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Everybody had to work, and usually outside of whatever was home.
每个人都必须工作,而且通常都得是外出工作
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and you have to have the right pants and skirt and things like that, a tie.
而且你必须穿对了裤子裙子那一类东西，还有领带。
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And also it gets pricey 'cause you have to buy a bike
而且你还必须得买辆价格不菲的自行车，
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It's - a suture or a stitch has to hold the wound closed so it has to have certain mechanical strength and imagine the problem of making something that's dissolvable so it disappears but also is strong enough to hold a wound closed reliably for a length of time.
能够拉紧切口的缝合线,就必须具有一定的机械张力,大家想像一下制造这种缝合线的难度,身体组织不仅要能吸收这种缝合线,而且这种线必须有足够的张力,一定时间内能够拉紧切口
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And robots, the objection goes, are programmed; they necessarily follow their program.
而且这一反驳指出,机器人是被编程的,机器人必须遵照程序做事
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For some others it might mean being basically restricted to the home, if not all the time, then the only exception being in public, in the company of a close-male relative as chaperon.
在一些别的地方可能意味着,基本上深居简出，即使不是一天到晚，也只有外出是例外，而且必须有一个男性近亲作监护人陪同。
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Now, the polio vaccine that Salk produced was very effective, but it required a fairly large dose of the vaccine and it had to be injected into the arms of children.
索尔克生产的小儿麻痹症疫苗效果显著,但是,该疫苗的单支注射剂量非常大,而且必须通过小孩的手臂进行注射
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