该调查在城市和乡村地区都开展了。

The survey was carried out in both urban and rural areas.

《柯林斯英汉双解大词典》

该公司开展了保险销售业务。

The company branched out into selling insurance.

《牛津词典》

政府已经开展了沿东部边境建造防御工事的工程。

The government has started building fortifications along its eastern border.

《柯林斯英汉双解大词典》

That's a whole part of the world that is building alliances, building ties, building economic exchanges, ignoring us.

这一大块区域,正在建立同盟，建立关系，开展经济往来，我们被忽略了。

普林斯顿公开课 - 国际座谈会课程节选

It's been in fact probably for the last 3 years or so.

已经开展了三年了。

普林斯顿公开课 - 人性课程节选

So as some of you probably know, Yale is undergoing an open education project and they're videoing several classes, and the idea of this, is to make educational materials available beyond the walls of Yale.

可能你们已经知道了,耶鲁大学正在开展一个教育项目,我们在录制一些课程的录像,这样做的目的是让,耶鲁外的人也能享受到这些教学资源

耶鲁公开课 - 博弈论课程节选