因为恰从那年起，人均预期寿命开始回升。

As it happens, in that year life expectancy started rising.

youdao

这也是为什么公众健康机构想评估指定国家或州的整体健康时，他们总是从平均预期寿命开始。

That's why when public health agencies want to assess the overall health of a given country or state, they always start with average life expectancy.

youdao

但是提高公共部门员工的退休年龄以反映增长的人均寿命将会是个开始。

But raising the retirement age for public-sector workers in order to reflect increased life expectancy would be a start.

youdao

One was in the 1600s when people started constructing life tables.

例如在十七世纪时,人们开始制作寿命表

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