生育率下降在人口结构变化中兴起了层层波澜。

The fertility fall is releasing wave upon wave of demographic change.

youdao

而匮乏的主要诱因是水及食物短缺、人口结构变化和国家政策的失败。

The main problems of scarcity are water and food shortages, demographic change and state failure.

youdao

人口结构的变化有助于创造一个良性的增长循环。

These demographic changes help to create a virtuous circle of growth.

youdao

首先，人口结构正发生变化。

First, there is a demographic change taking place.

youdao

首先，人口结构正发生变化。

First, there is a demographic change taking place.

youdao