本文的结论表明，我国城镇居民收入流动性表现出明显的下降倾向，而农村居民的收入流动性则略有上升。

The conclusion in this paper shows that the income mobility in urban China is decreasing while the mobility within rural household increases significantly.

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在发达国家，随着越来越多的人搬到城市中心，汽车使用量正在下降，而年轻人更倾向于选择其他出行方式。

Across the developed world, car use is in decline as more people move to city centres, while young people especially are opting for other means of travel.

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首先，警惕管理层的“过拟合”倾向——统计学词汇“过拟合”指的是一旦模式已经发现，搜集更多数据的价值趋于下降。

First, beware the managerial tendency to "over-fit the curve" — a statistical term that refers to the diminishing value of gathering additional data once you find a pattern.

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