What is the main effect of aging population?
什么是人口老化的主要影响?
The trends of population aging in China will have much effect on health security.
我国人口快速老龄化的趋势,将对我国的医疗保障带来诸多影响。
The increase of the aging population has posed a serious challenge to our country.
老年人口增长给我们的提出了严重的挑战。
The increase of the aging population has posed a serious challenge to our country.
老年人口增长给我们的提出了严重的挑战。
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