How did this come about?

这事是怎么发生的？

youdao

How did this unhappy state of affairs come about?

这种不幸的情况是怎么发生的呢？

《牛津词典》

How did this feeling come about?

这种感受是怎么来的呢？

youdao

So the question is: how on earth did this come about?

那么问题是：它到底从何而来？

耶鲁公开课 - 文学理论导论课程节选

So quite how did this come about then?

FORBES: It's Not That the Euro Will Fail, It's That It Should Fail

And that is what is at issue here -- how did this operation come about, how did this tactic begin to be used -- a flawed tactic, which everyone recognizes -- including the Attorney General, the President of the United States, congressional leaders of both parties was a flawed tactic and a mistake.

WHITEHOUSE: Press Briefing

Rahim Kanani: What is SuperBetter, and how did this idea come about?

FORBES: Connect