I had heard an appeal could take years.

我已听说一项诉讼可能要花费好几年时间。

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Yet that could take years.

但是这要花很多年。

youdao

Some experts say the process could take years.

一些专家认为，这个过程可能需要数年时间。

youdao

But a similar effort in the United States, the world's biggest economy, could take years.

VOA: special.2009.01.30

You could take weights on people measured over a period of many years and look at the variability over time in weight and then link it to things like heart disease and cancer, and I'll come back later and talk about the results of that particular study.

我们还可以得到人们很长一段时间里,每年的体重数据,观察体重随着时间变化的变动,并将观察结果与心脏疾病和癌症联系起来,我等一下会告诉大家这项研究的结果

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But they said the appeals process could take years.

VOA: standard.2009.12.23

Still, that could take years to reach fruition and Apple faces pressure to boost profits now.

WSJ: Apple Has an Identity Crisis

The effect of the new law on business startups could take years to determine.

FORBES: Small-Biz Bankrupts, Beware

It could take years for the Patent Office to decide whose patents are valid.

FORBES: Biofuels Startup Gevo Must Win Patent War With BP, DuPont First