What has caused this change?

是什么产生了这种改变？

youdao

What caused this earthquake?

什么原因造成此次地震？

youdao

We don't know what caused this disaster.

我们不知道是什么引发了这次灾难。

youdao

"And this will require that we continue to tackle the underlying problems that caused this turmoil in the first place.

VOA: standard.2010.04.24

A thousand times in a thousand ways anybody who studies the American Civil War period is inevitably asked, "So what caused this war?"

每个研究美国内战史的人,总会不可避免地被人们反复问道,"究竟是什么导致了这场战争"

耶鲁公开课 - 美国内战与重建课程节选

This sense, this glamour thinking, along with price increases, caused Los Angeles to boom; so it's the boomiest U.S. City.

某种意义上,群星荟萃加上房价上涨,推动了洛杉矶房地产的繁荣,所以它成为了全美房产最繁荣的地方

耶鲁公开课 - 金融市场课程节选

What has caused this Irish miracle and how can we in Britain emulate it?

BBC: Osborne rules out UK pressure on Irish corporation tax

This settlement also protects our ability to further investigate the practices that caused this mess.

WHITEHOUSE: President Obama Speaks on Landmark Housing Settlement with Banks | The White House

"They're good, hard-working, tax-paying citizens, and they have not caused this problem, " he said.

CNN: AllPolitics - It's 'Day One' In Tobacco War