It will be really difficult for that to happen for many decades.

要在几十年间达到富裕的水平真的很难。

youdao

In the last month we have witnessed a financial crisis on a scale not seen for many decades.

上个月我们见证了一场数十年未遇的金融危机。

youdao

Sometimes atmospheric radiocarbon levels remain constant for many decades, even centuries.

有时候大气原因会使碳素十年甚至百年保持稳定。

youdao

And bluegrass aficionados here hope it will continue for many decades to come.

VOA: standard.2010.05.28

None of us have seen a case of smallpox, it hasn't existed in the world for many decades now.

我们没人见过天花,在这个世界上它已经被消灭几十年了

耶鲁公开课 - 生物医学工程探索课程节选

You can keep people alive for many decades with periodic dialysis to remove waste products from the blood.

通过周期性的透析除去血液中的代谢废物,可以使病人寿命延长几十年

耶鲁公开课 - 生物医学工程探索课程节选

It's been used by many past Presidents -- Republican and Democrat -- for many decades.

WHITEHOUSE: President Obama: Our Security, Our Values

This has been an issue that many Presidents for many decades have worked on.

WHITEHOUSE: Press Briefing

And he was the publisher for many decades until his son, Jeff, took over.

FORBES: Why One Contrarian Looks Beyond Earnings