However, the true promise of this program won't be known for several years, perhaps decades.

不过，这个计划真正的承诺不被知晓已有好几年，或许有几十年吧。

youdao

Now it is not fantasy to think that someday, perhaps decades from now, but someday, you could clone yourself and make tens, dozens, hundreds of genetically identical twins.

现在这已不再是幻想，几十年之后，或许有朝一日你可以克隆自己，造出数十个，数百个，上千个基因完全相同的孪生的兄弟。

youdao

Perhaps, after decades of waiting in the wings, the technology is finally about to hear its name called out from the stage.

或许，在等待助其飞翔的翅膀等了数几十年之后，这项技术最终等来了召唤其登上舞台的呼声。

youdao

They are willing to spend whatever it takes to delay the proposed airport for years, perhaps decades, to come.

ECONOMIST: California

In the coming years, perhaps decades, we are destined to find out.

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Its very long-distance applications are years, perhaps decades off.

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