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。
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WalterScheidel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。
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。
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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