Now even the project's greatest cheerleaders talk of a continent facing a "Bermuda triangle" of debt, population decline and lower growth.

现在，即使是该计划最大的支持者也在谈论面临债务、人口减少和低增长的“百慕大三角”大陆的话题。

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He teamed up with Walter Scheidel, a Stanford classicist and historian, to create a model of population growth and decline based on coin-hoard data gathered over the years.

他与Walter Scheidel合作，Walter Scheidel是斯坦福的一个古典学者与历史学家。他们发明了一个人口增长模型，这个模型基于钱币藏匿的数据，这一工作已进行多年。

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It is the main influence behind the decline of population growth and, perhaps even more important, is shifting the balance of age groups within a population.

它也是人口增长减慢背后的主要推动力。也许更重要的是，它正在改变世界人口中的年龄群体间的相互平衡。

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The main conclusion from this demographic work is that, barring a new increase in female labor force participation or a significant increase in the growth rate of the population, these demographic factors point towards a further decline in trend growth of employment and hours in the coming decades.

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In sub-Saharan Africa, where much of the population lives on the edge of subsistence, poverty and slow economic growth, or outright decline, increased the likelihood of future state collapse, thereby trapping the countries in a vicious circle of poverty and political instability.

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This dwindling supply of space in central Washington comes amid growth in the office sector over the years and a population that is back on the rise after decades of decline.

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