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。
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