因此，边缘上的点每1.8秒必须比中心的点多转50英寸，使它不得不在同样的时间里覆盖不到五分之一的距离。
So the point on the edge must rotate much faster to cover that 50 in. in 1.8 seconds than the point near the center, which has to cover less than a fifth of the distance in the same time.
尼古拉斯.布斯曼说，最好从人群中间开始进行交谈而不是在边缘位置，他是《怎样在90秒内成为众人焦点》一书的作者。
Nicholas Boothman, the author of How to Make People Like You in 90 Seconds or Less, says it's better to start in the middle of a room rather than skimming the periphery.
尼古拉斯.布斯曼说，最好从人群中间开始进行交谈而不是在边缘位置，他是《怎样在90秒内成为众人焦点》一书的作者。
Nicholas Boothman, the author of How to Make People Like You in 90 Seconds or Less, says it's better to start in the middle of a room rather than skimming the periphery.
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