But this requires time, years, even decades.

但这需要时间，也许几年甚至几十年。

youdao

The clean-up will take years or even decades.

而清理污染将持续数年甚至数十年。

youdao

Gold prices can fall for years, even decades, in real terms.

按实际价格计算，金价的下跌可以持续几年甚至是几十年。

youdao

Censorship has been a problem in Thailand off and on for decades, even without emergency laws.

VOA: standard.2010.07.06

Then, also emphasizing in the case of smallpox, how even after the scientific discovery was made, it took many, many decades for people to be able to produce the vaccine in large enough quantities and distribute it, so that you could think about making an impact on global prevalence of the disease.

同时重点就天花疫苗的发展展开了讨论,而即便当科学发现了天花病毒,仍然过了许多年,人类才能够,大规模生产并使用天花疫苗,由此你们可以了解到,在全球范围内,疫苗给天花以致命一击

耶鲁公开课 - 生物医学工程探索课程节选

Over the past few decades,however, scientists have determined that even trace amounts of lead in children's bodies leads to long-term neurological and behavioral problems.

VOA: standard.2009.12.19

The cross-branch dialogue that Justice Breyer envisions cannot happen over years and even decades.

FORBES: Why Justice Breyer Should Steer Clear of Political Science

This theory is wrong or, to be kind, premature by years or even decades.

FORBES: Video Game Consoles Will Probably Outlive You

It's no secret that these are folks who've occasionally been at odds for years, even decades.

WHITEHOUSE: President Obama: A New Consensus on Auto Emissions