中午前，为什么这么快？
No one quite knows why glaciers and ice shelves are melting so fast, or how a meltwater lake on the Greenland ice sheet covering six square kilometres could drain away in 24 hours, as it did in 2006.
没有人非常了解为什么冰架这么迅速的融化，也没人知道格林兰冰架上的一个覆盖6平方千米的融水湖会在24小时内流干——这在2006确实发生了。
Mary: “I once tried to burn it all off because hair burns so fast, but then my mom came home and she was like, “Why does it smell like burning hair? Did you burn your hair?
我有次想把它们全烧了，因为头发着起来那么快，但是妈妈进来了，她问我：‘怎么闻起来像头发烧焦的味道？
Why has fertility fallen so fast, so widely?
为什么生育率以此等快速和规模降低？
So, in theory, its underdevelopment may explain why young people seem more willing to take risks like driving too fast.
因此，在理论上，大脑的不发达也许可以解释为什么年轻人似乎更愿意冒风险飞速驾驶了。
Mary: "I once tried to burn it all off because hair burns so fast, but then my mom came home and she was like," Why does it smell like burning hair?
Mary：“我有次想把它们全烧了，因为头发着起来那么快，但是妈妈进来了，她问我：怎么闻起来像头发烧焦的味道？”
Pío is now uprooting trees that are several centuries old. No one knows for certain why it has advanced so far and so fast over the past 80 years.
Pío XI冰川在扩展途中将有几个世纪树龄长的大树连根拔起，没有人知道为什么在过去的80年间它扩张得如此之远，如此之快。
That is why they should not be so fast to take all the blame - or credit - for everything that their children become.
这就是为什么他们不应为孩子变成什么样而承受一切指责或褒奖的原因。
Then imagine the difficulties of defending it against the obvious criticisms in an era before mathematically rigorous physics: why are we not flung from the Earth if it spins round so fast?
然后再想象一下在严格数学化的物理时代之前只身对抗各种显而易见的质疑的困难吧：如果地球转的这么快我们为什么没有被甩离地球？
The point is that sometimes Life moves so fast, you forget who you were or why you are with the person. A journal acts as a reminder.
关键在于，年华似水，有时候你会忘记你曾经是怎么样的，或者为何你和眼前人在一起，日记能帮助你、提醒你。
Why did some guys like to drive so fast when they are drunken?
为什么有些家伙就是喜欢喝醉酒又开得很快呢？
If local transactions are so fast, then why doesn't everyone use them?
既然本地事务这么快，那么为什么不是每个人都使用它呢？
So why does America lead in the fast-growing high-tech sectors, and why does Europe hold its own only in more mature industries?
那么为什么美国在快速增长的高科技领域领头，而欧洲仅守在它的更加成熟的工业中呢？
There is wide disagreement as to why China’s economy has grown so fast.
至于中国经济的快速腾飞，仍有广泛争议。
Teacher: Why are you writing so fast?
老师：为什么你写得这么快？
The reason why he drove so fast was that he was late for the meeting.
他为什么开车如此之快的原因是他开会要迟到了。
Fastfood becomes more popular now, especially among the teenagers and the children. Why do so many people like fast food?
快餐食品现在越来越流行，特别是在青少年和儿童中。为什么那么多人喜欢快餐呢？
Nagging, I was also thinking: Why do I phone if the cost was so fast?
唠叨后，我也在想：为什么我手机话费用得那么快呢？
For better or worse, parents have limited power to influence their children. That is why they should not be so fast to take all the blame - or credit - for everything that their children become.
父母对孩子的影响力是有限的，这点不知是好还是坏。
Why Steve jobs pass away so fast?! What about our Apple products?
为什么史蒂夫·乔布斯这么快就离开人世？ ！我们的苹果产品会怎么样？
Why do some guys like to drive so fast when they are drunken?
为什么有些家伙就是喜欢喝醉酒又开得很快呢？
The reason why he was driving so fast was that he was going for an important meeting.
他车开得那么快的原因是，他要去参加一个重要会议。
That's why his hips unwound so fast on the downswing.
这就是为什么下挥杆的时候根可以那么快速的外展他的髋关节。
I really can't understand why so many people stick to fast food even when they are not actually in a hurry.
在一系列试验中，研究人员向参加测试者展示几家快餐连锁店的商标问他们上次去哪家吃饭。 研究人员发现这些人里琢磨着快餐的人看图速度很快，即便根本没人催促他们。
Is that why you're driving so fast?
那就是你开得这么快的原因吗？
Is that why you're driving so fast?
那就是你开得这么快的原因吗？
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