Sleep is one of the richest topics in science today: why we need it, why it can be hard to get, and how that affects everything from our athletic performance to our income.
如今睡眠问题在科学研究里成了一个最丰富的课题：为什么我们需要睡眠，为什么我们睡不着？
No matter why there is growing interest in self help books, it's good to know that help is at hand if we need it.
不管为什么人们对自助书籍越来越感兴趣，知道如果我们需要，帮助就在手边是件好事。
Science is exactly what we need more of when it comes to GM foods, which is why I was happy to see Nature devote a special series of articles to the GM food controversy.
在转基因食品方面，科学恰恰更为我们所需，所以我很高兴看到《自然》杂志专门发表了一系列关于转基因食品争议的文章。
Reducing our clutter meant tough choices, it meant a lot of discussion about what we wanted and why we really need things, it meant learning a whole host of new habits.
减少紊乱意味着要面对艰难的抉择，意味着更多的去探求我们想要什么及其中的原因，意味着培养更多新的习惯。
I think that explains why we still have a need to talk about it, because we are still struggling with many of those issues that came out of it.
我认为这解释了为什么我们仍然在谈论它，因为我们仍然对由内战而引发的很多问题十分纠结。
It is much easier to add process features if you do not need to support them in tools, which is why we are mitigating this risk by using best practices embodied in the IBM Rational tools.
如果你不需要在工具中支持的话，增加过程特性会更容易一些。这就是我们为什么使用在IBMRational工具中内嵌的最佳实践以减轻风险的原因。
Why do we really need to own every single piece of machinery when we can just borrow it from others and let others do the same with our things?
如果我们能从别人那借或者让其他人帮我们做这些事，我们为什么还需要一些没有用的东西呢？
I would think that it would approach inifinity, and I would need to think about it and get back to you in terms of why we don't actually hit it and see something with an infinite wavelength.
我会认为波长会接近无穷大，而且我需要考虑一下,然后返回来告诉你,为什么我们没有说对,为什么我们没有看到,无穷大波长的东西。
Now that we know it's common among animals, Range says, scientists need to revise their theories about why it evolved.
兰奇说，既然我们知道这种能力在动物界也很常见，那么科学家们应当修正关于追随视线能力演化的理论。
And it's clear why: there are an increasing number of things we need it for.
原因清晰：我们得用这个词，来形容越来越多的事情。
However, when we pass the string to our program, we need to reverse it (don't ask me why). So the string we use looks like this.
不过，当我们将这个字符串传递给程序时，我们需要反转它(不要问我为什么)。
But before taking a look at the new object system in Glib 2.0, we need to address a more fundamental issue — what exactly is an "object system" and why does it exist?
但是在研究Glib 2.0中的这个新对象系统之前，我们需要解决一个更为基本的问题-“对象系统”到底是什么以及它为何存在？
So it already should make sense why we have that p orbital there, in order to form a pi bond, we're going to need a p orbital.
这里有p轨道是很合理的,为什么我们在这里有P轨道，为了形成一个π键，我们需要一个p轨道。
71then they said, "Why do we need any more testimony? We have heard it from his own lips."
他们说：“何必再用见证呢？他亲口所说的，我们都亲自听见了。”
So it is very clear that is why we are continuing to pursue these measures both by ourselves and with others, because I think we need to continue to keep the pressure on Iran.
因此，这清楚显示为什么我们和其他国家要继续采取制裁措施，因为我认为，我们需要不断向伊朗施加压力。
Why don't provide software submission service? It seems that we need real results more than your software.
仔细看了一下网站，原来的确是提供提交服务的，我还以为是推销提交软件的。
It allows us the time we need to get to the dog and reward him and still have him understand why he is getting the reward.
这样就可以让狗儿明白为何被奖励的情况下，我们有时间走过去奖励狗。
Now this is obviously an idea that Robert Fischer will choose to reject - which is why we need to plant it deep in his subconscious.
这是个罗伯特费舍眼下一定会拒绝的想法——这也是为什么我们需要将它植入他的潜意识。
To understand why Greece faces this dilemma, we need to understand how it managed to get itself into such a terrible mess.
要理解希腊为何如此进退两难，我们就需要了解它是怎样陷入这样糟糕的境地的。
And why we need them... believe it or not, they are our souls, which explains why I believe people can definitely fly in their dreams.
我们为什么需要它们，也许很难相信，但是它们就是我们的灵魂。它们的存在恰好解释了我对人可以在梦里飞行的坚信。
Why do they even teach it to you? Why do we feel vaguely guilty if we can't remember how to do it? It's not as if we need to know it anymore.
为什么他们还教你这些呢？为什么我们感到含混心虚讷，如果我们不能记住怎样去做？这不是好像我们需要再次知道她。
Does it tell us why they are doing whatever it is they might need our product for, why they might want to choose our product over our competitors, or how we can make sure they do?
为什么他们有可能会想要我们的产品，而不是竞争对手的产品呢？或者，我们怎样做才能让他们选择我们的产品呢？
If the secret of a true relationship with God is to resist even the smallest contamination of the world, we certainly need to find out what the "world" consists of and why it is such an enemy of God.
如果与上帝有真实关系的秘诀，就在于要抵制沾染世俗，甚至是最小的一点沾染，那么我们当然就需要查明“世俗”是由什么组成的，以及它为什么会是上帝的敌人。
If the secret of a true relationship with God is to resist even the smallest contamination of the world, we certainly need to find out what the "world" consists of and why it is such an enemy of God.
如果与上帝有真实关系的秘诀，就在于要抵制沾染世俗，甚至是最小的一点沾染，那么我们当然就需要查明“世俗”是由什么组成的，以及它为什么会是上帝的敌人。
应用推荐