Last go-round, M82's gravity likely raised density waves rippling around M81, resulting in the richness of M81's spiral arms.
最近一个周期中，M82的重力增强了M81周围密度波的脉动，导致M81的旋臂更浓密。
That may sound waffly; but look around the business world and two things stand out: the modern economy places an enormous premium on brainpower; and there is not enough to go round.
这听起来可能很空洞，但环顾商业世界，有两点非常突出：现代经济极其注重才智；而人才不够用。
The person, who know to go around in circles, round a way but go, is usually the first person who ascends mountain peak.
懂得兜圈子，绕道而行的人，往往是第一个登上山峰的人。
You don't really understand human nature, unless you know why a child on a merry-go-round will wave at his parents every time around and why his parents will always wave back.
Tammeus（记者） ：你不会真正了解人性，除非你能理解为什么在玩旋转木马的孩子会在每转一圈就给他们的父母挥挥手，父母也会向他们招手。
You don't really understand human nature, unless you know why a child on a merry-go-round will wave at his parents every time around and why his parents will always wave back.
Tammeus（记者） ：你不会真正了解人性，除非你能理解为什么在玩旋转木马的孩子会在每转一圈就给他们的父母挥挥手，父母也会向他们招手。
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