For the past three years he has been employed as a firefighter.

三年来他一直受雇当消防员。

《牛津词典》

For the past three years they have been leading totally separate lives.

三年来，他们完全是各过各的生活。

《牛津词典》

What great progress you have made in the past three years!

这三年里你们取得了多么大的进步啊！

youdao

An American State Department spokesman said IHH representatives have met with top Hamas officials over the past three years.

VOA: special.2010.06.05

But Congress has put more into the budget of the national park system in the past three years.

VOA: special.2009.09.28

But,during the past three years, some have failed to fly south.

VOA: special.2010.03.02

The result is a 192% average gain from first-day close over the past three years.

FORBES: Venture Vetting

But the past three years have seen two fundamental changes across the smartphone-laptop continuum.

ENGADGET: blogger-avatar

French vintners have increased wholesale prices for new wine 50% and more over the past three years.

FORBES: Drink It Up