So for three decades, fertility rates have mostly been below the “replacement” level—of just over 2.0 in rich countries.

因此在30年内，有大部分时期，生育率都低于“置换”水平——在发达国家刚超过2.0。

youdao

The odd ones out are America and Britain, which both have lots of women at work and fertility rates close to replacement level (with immigration making up the rest).

美国和英国则是例外，它们都有大量工作妇女，且生育率接近替代水平（不足部分有移民补充）。

youdao

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。

youdao

It is now at almost two children per woman, just below the replacement level of 2.1, and looks set to rise further.

ECONOMIST: From sea to shining sea

Some England players, without naming names, have talked about the need for Eriksson's replacement to have experience of the highest level of football club management.

BBC: SPORT | Football | Internationals | Who is going to get Sven's job?

The Department for Children, Schools and Families is piloting a possible replacement in the form of "single level tests" that children would take to confirm their teachers' assessment that they had reached a higher national curriculum attainment level.

BBC: Delays hit pupils' test results