You also have a young population.
你们人口年轻化。
You need a young population for a country to survive.
你需要一群年轻人来拯救国家。
Young persons under twenty-five make up nearly half of the American population.
25岁以下的年轻人几乎占了美国人口的一半。
A fifth of the population are young children.
五分之一的人口是儿童。
A fifth of the population are young children.
五分之一的人口是儿童。
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