那么想象一下，如果有100,000数据行和10个群集，若用手工完成那将花费多长时间。
Imagine how long it would take to do by hand if you had 100,000 rows of data and wanted 10 clusters.
如果有人向你索要你写的书的亲笔签名，你应该像第一次给人签名那样保持那种受宠若惊的感觉。
If someone asks you to autograph a copy of your book, you should feel just as honored as you did the first time it happened.
如果有什么可以让伊拉克人民欣喜若狂，暂时的同心协力，也许只有一场足球比赛了。
IF ANYTHING at all could delight, and briefly unite, the citizens of Iraq, it probably had to be a football match.
这是非常有用的手段,在天文学中，如果有，一个二元体系，若恒星真的这样运动，你就能得到你想要的,所有的数值。
So it's an extremely powerful tool in astronomy if you have a binary system, when the stars exactly do this, to determine all these quantities that you would like to know.
如果有一天人类文明真的瓦解，天知道那些对资源求之若渴的幸存者们该会多么疯狂地寻找那些古老的硬盘驱动器。
And if civilisation did collapse, who knows what USES the resource-starved survivors might find for old hard drives?
如果有一天人类文明真的瓦解，天知道那些对资源求之若渴的幸存者们该会多么疯狂地寻找那些古老的硬盘驱动器。
And if civilisation did collapse, who knows what USES the resource-starved survivors might find for old hard drives?
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