old-age society

• 老龄化社会

old-age society的用法和样例：

例句

1. Being there gave me an interesting window on demographics and the problem of the aging society.
   令人高兴的是，它为我在研究人口统计学和老龄化社会问题方面，打开了一个有趣的窗口。
2. They will grapple with the growing burdens of an aging society, rising health care costs and high energy prices.
   他们要担起一个不断老龄化社会，上涨的卫生保健费用和能源高价的担子。