It has happened in eight cities and is going to four others, including Beijing, in May.

它已经在8个城市发生，并将在5月份波及包括北京在内的其他4个城市。

youdao

I should just like to know how it has happened.

我只想知道这是怎么回事。

youdao

It has happened before.

这在以前就发生过。

youdao

"It's difficult to say what the reasons are." "It has happened with spare parts for important medical equipment for hospitals.

VOA: standard.2010.06.17

Or is it more plausible to suggest, "No. What's happened here is a soul has been released from connection with the body."

或者这样说更合理,这里发生的就是,灵魂从与身体的联系中解脱了

耶鲁公开课 - 死亡课程节选

It's important to understand that clearly something very strange has happened here.

清楚地理解这个很重要,一些很奇怪的东西发生在这里了。

耶鲁公开课 - 弥尔顿课程节选

It has happened before under more dire circumstances, after the herd all headed for the exit.

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"It is an incredible thing that it has happened in my lifetime, " he said.

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Because when it has happened in the past to such a reporter, it was a huge story.

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