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Here, too, places benefit from having a fairly old population.
同样，人口较年老地区受益匪浅。
youdao
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Over 50% of the world's population is under 30-years-old.
世界上超过50%的人口是在30岁以下。
youdao
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Over 50% of the world's population is under 30-years-old.
世界上超过50%的人口是在30岁以下。
youdao