WHAT happens in poor countries when they reach replacement fertility?
贫穷国家一旦达到更替生育水平将会有何后果？
The fertility rate in the EU is 1.47-well below replacement.
欧盟的生育率为1.47——刚好低于替代出生率。
The move to replacement-level fertility is one of the most dramatic social changes in history.
人口趋向生育等值替换水平是历史最有戏剧性的社会变化。
A fertility rate of 1.8 is still below replacement.
出生率1.8还是低于更替水平。
A fertility rate of 1.8 is still below replacement.
出生率1.8还是低于更替水平。
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