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And, if we wanted to try to fit, say, hydrogen, into this scheme that we have, we have to do what?
如果我们想要让他们符合我们的原理比如氢气，我们需要怎样？
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Good. Because there's a lot we have to do here.
太好了。因为我们这儿实在有太多的活了。
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OK, so what we have to do is get back underneath this reaction, and see what the molar quantities are.
我们应该做的是,再回到这个反应，看看摩尔量是多少。
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They might articulate a need or a desire, but what we have to do is understand all the technology ingredients and how they're evolving.
他们可能会提出要求或是愿望，我们所要做的事情是搞懂,所有技术成分，以及它们如何演变。
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It's something that we have to do over and over again, that is, making up the world.
这是我们必须反复不断做的事儿，也就是说，创造这个世界。
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All right. So now all we have to do is figure out this probability of backscattering.
在乘以12。20厘米,好，现在只要。
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We have to do it again because the mortgage institutions have deteriorated somewhat.
我们必须再做一次改革,因为抵押贷款机构已经有所恶化
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Here's something else we have to do in here.
我们接下来要做的
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s the first thing we have to do, because just as we tell our children, or we tell people who we admire about re going wrong.
这是我们要做的第一件事，That’,就像我们告诉孩子，告诉我们崇敬的人,我们想我们错了，we，think，we’
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It's now, all we have to do is say we're going to have heat at constant volume.
我们需要做的就是,计算恒定体积下的热量。
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Because I'm cutting down the problem in half at each time. You're right, but there's something we have to do to add to that, and that's the last thing I want to pick up on.
但是我们还需要强调一点,这是我最后想讲的一点,让我们来看看代码-实际上，让我们先来测试测试吧。
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And so this begs the question, even in the context of these cups, how can we possibly do better if at the end of the day in order to figure out if two cups or if two people or if two ints inside of an array are bigger or smaller than one another it feels like we have to do this comparison work anyway.
这样就回避了问题的实质,从这些杯子的相互关系来看，我们怎样才能更有效地,找出序列中比其他元素,都大或都小的两个杯子，两个人，两个数,看起来我们无论如何都得,做比较的工作。
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Or are you going to say that that will only take us so far, and it's the conditions that are messed up, and we have to do something about the conditions to make it easier for people to make healthier choices?
还是认为上述做法见效甚微,问题关键在于混乱的饮食环境,我们应该先改善周遭环境,使得人们更容易作出更为健康的选择
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In addition to many lectures, we have the working groups pleased to do both experiments and to do problem-solving exercises.
我们不仅有讲座，还有不同的小组,他们将做实验,和解决问题的练习。
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So this of course relies on me having brought some money and we'll have to do this without dislodging the microphone.
要继续我得先拿出来点钱,但我还不能碰掉麦克风
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First of all, if we want to know about the Dark Ages, what sources do we have available to us?
首先,如果我们想了解黑暗时代,我们有什么资料可寻呢
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