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

Technology has made many middle tier while-collar jobs vulnerable to replacement by computers or outsourcing.

科技使得很多中产白领的工作极易被电脑和外包服务代替。

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

But some in Congress want to cancel plans for the next-generation replacement for the orbiting Hubble Space Telescope.

VOA: special.2011.07.18

Yes, I can, and I do send them a replacement, not too hard to do, send them a replacement.

当然可以并且我也给他们寄了复制盘,寄张复制盘也不是什么难事

耶鲁公开课 - 聆听音乐课程节选

He went ahead and had the surgery to have the replacement of the cornea.

后来，迈克继续冒险,接受手术换掉了自己的角膜。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

This is the result of increasingly strident West German opposition to replacement of the obsolescing Lance.

CENTERFORSECURITYPOLICY: Center For Security Policy

Simon Webster then waltzed past four defenders before offloading to replacement Hugo Southwell, who scored in the corner.

BBC: Scotland 56-10 Portugal

Nearly a third of India's people have lowered their fertility to replacement levels.

BBC: Is India's population policy sexist?