In a given area, the worst will usually be over in four to six weeks as the virus rushes through a susceptible population, cases peak and infections decline with equal speed.

在既定区域，最坏的情况是，当病毒急匆匆地冲向易感人群后的四到六周内，病例数到达顶峰，接着匀速下降。

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This surge has underpinned rapid economic growth, but is now ending. The share of the working-age population in East Asia will peak this decade and fall to 57% by 2050.

这促进了经济的增长，但现在这种好处要结束了：十年内该人群在东亚会到达顶峰，而到2050年会下降到57%。

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China's population would fall by a staggering 450m from its peak in 2025, to 941m.

中国的人口数量将在2025年达到峰值，然后将令人震惊地减少4.5亿人口，降到9.41亿人。

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The unemployment rate has dropped more than 40% of the way back to its pre-recession level, but the employment-to-population ratio is closer to its trough than its pre-recession peak.

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While the city population has shrunk (from a peak population of 1.8 million in 1950 to 714, 000 in the last census), it has hardly reduced the government that serves it.

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It isn't clear how much demand there would be for his planned 800, 000 square feet of office space in the Rust Belt city that has seen its population fall to 198, 000 from its peak of 290, 000 in 1960.

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