愤怒的鸟，潘多拉音乐盒，玩转四方和网飞公司就是那些发送你手机里关于你的细节但让你浑然不知的应用之中的几个。
Angry Birds, Pandora, Foursquare and Netflix are among the apps that send details about you from your handset without you necessarily being aware.
这个物体往此方向飞，这个往另一方向飞。
And so this object will fly in this direction, and this object will fly in that direction.
在讨论原子级别时间的时候，物理学家用起皮秒（百万兆分之一秒）甚至飞秒（千万亿分之一秒）来都没任何不便。 这是一方面。
Physicists have no trouble using, on the one hand, picoseconds (trillionths of a second) or even femtoseconds (quadrillionths of a second) to discuss time at the atomic scale.
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