2015年中國60歲人群預期壽命是19歲,美國24歲。
https://www.helpage.org/global-agewatch/population-ageing-data/life-expectancy-at-60/
2015年中國60歲人群預期壽命是19歲,美國24歲。
https://www.helpage.org/global-agewatch/population-ageing-data/life-expectancy-at-60/
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