这一点是很重要，因为一个高的抚养比率意味着增长的潜力较低。
That matters, because a higher dependency ratio means a lower growth potential.
与美国相比，即使是大陆的人口增长部分也只有适中的出生率以及高抚养比率。
Compared with America, even the growing parts of the continent have modest fertility rates and high dependency ratios.
虽然生育更多的孩子，在他们达到工作年龄加入劳动力之前，“抚养比率”会上升。
More children would increase the dependency ratio until they were old enough to join the Labour force.
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