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人口老龄化是21世纪各国普遍面临的重大社会问题,我国60岁以上的老年人已超过1.3亿,成为世界上老龄人口数量最多的老年型国家。人口老龄化的快速发展,促进了老
The aging of population is a major social issue that all countries generally face in the 21st century. Over 130 million of our country’s population over the age of 60 has become the elderly-type country with the largest population of the aged in the world. The rapid development of population aging has promoted the old