The above chart shows this graphically, with wealthier, more advanced nations clustered at the top, and poorer, less developed nations clustered at the bottom.

以上图表表示，更加富裕，更先进的国家聚集在顶部，贫穷欠发达的国家聚集在底部。

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But with the bottom 80 percent of households now receiving less than half of total income, that's a vision increasingly at odds with reality.

然而，现在底层80%家庭的收入占整个收入不到一半，中产阶级国家这种景象越来越不符合现实。

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The sales figures may be impressive, but the benefits to American car companies' bottom lines are far less so.

销售数字可能令人印象深刻，但还远远不到美国汽车公司的底线收益要求。

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Unlike internet-based systems, however, wireless networks are tightly controlled by their operators, so there is much less scope for bottom-up innovation by users.

ECONOMIST: THE INTERNET: The revenge of geography | The

Have you ever asked yourself why these particular positions appear less valuable when the bottom line is threatened?

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But with less publicity, the bottom rate was raised from 11% to 15%.

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