人的预期寿命 meaning in English

life expectancy rate

The duration of marriage is related most obviously to the expectation of life
很明显，婚姻生活的持续时间与人的预期寿命有关。
Research teams have conducted studies that show beyond all reasonable doubt that tobacco smoking is associated with a shortened life expectancy
研究组进行的研究超出了所有合理的怀疑，表明吸食烟草与人的预期寿命的缩短有关。
Atlanta , georgia ( ap ) - - the life expectancy for americans is nearly 78 years , the longest in u . s . history , according to new government figures from 2005 released wednesday
乔治亚州亚特兰大（ ap ） - -根据星期三发布的2005年政府的最新数字，美国人的预期寿命接近78岁，达历史最高水平。
The ongoing increase in longevity means retirement income is a crucial aspect of lifetime revenues for each individual , while the growth of pension funding is increasing the share of pension assets in households " net worth , and social society will have to provide more resource for supporting older people
人的预期寿命的延长，意味着个人养老费用占据个人一生收入更大的比重，家庭要为养老支付更多的财富，社会要为养老提供更多的资源。