He had a vision of a world in which there would be no wars.

他幻想有一个没有战争的世界。

《牛津词典》

They paint a picture of a world in which individuals, companies, institutions, and governments must deal with two realities, one physical, and one virtual.

他们描绘了这样一个世界：个人、公司、机构和政府必须应对两种现实，一种是物理现实，一种是虚拟现实。

youdao

We live in a world in which people diddle on their phones while playing with their kids.

我们生活在这样一个世界里，人们一边和孩子玩，一边玩手机。

youdao

By stealing the day Shrek was born, the conniving elf (in his plot to take over the kingdom) leaves the ogre to deal with a world in which he never existed.

VOA: standard.2010.05.27

It is not a world in which language can be understood as somehow or another a means of expressing thought.

在索绪尔眼中的世界，语言不能被理解为,表达思想的方式。

耶鲁公开课 - 文学理论导论课程节选

But I'm very excited because I'm going to work on a film in August about World War One, which is very exciting.

但是我非常激动，因为我八月就要为一部以一战为题材的电影工作了，这真的很令人兴奋。

制作电视节目 - SpeakingMax英语口语达人

Laws against insider trading presume a world in which everyone can trade on perfect information.

FORBES: It's Time To Legalize Insider Trading

Our conference, now in its third year, aims to make sense of a world in transformation.

FORBES: Here Comes the Techonomy Conference

Our Revolution defined a world in which a person was measured by what he accomplished.

FORBES: Fact and Comment