life expectancy 预期寿命
ageing 老龄化
fertility出生率
mortality 死亡率
senior citizen 老人
spend one’s remaining days happily 安度晚年
enjoy family union 享受一家团聚的乐趣
live in solitude 孤独地生活
financial difficulty 经济困难
unstable life without pension 没有保险金的不稳定生活
nursing home 养老院
show filial obedience 表现出孝顺
spiritual comfort 精神安慰
emotional support 精神支持
provision for the aged 养老
social security fund 社保基金
