elderly population question 老年人口问题
Proposed with the population question related prosperous common people thought;
提出了与人口问题相关的富民思想;
The global emergence of the population question poses a serious challenge to many countries and regions.
人口问题在全球范围出现,成为许多国家和地区面临的严重挑战。
In fact, many scholars, domestic and foreign, also have studied the fluid population question from different aspects.
实际上,国内外很多学者也从不同的角度研究了流动性人口问题。
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