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In 25 years, China will have ALOT more old people than young people - an inverted population pyramid.
25年后,中国将会有比年轻人更多的老年人,这是倒过来的人口金字塔。
youdao
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In 25 years, China will have ALOT more old people than young people - an inverted population pyramid.
25年后,中国将会有比年轻人更多的老年人,这是倒过来的人口金字塔。
youdao