As it happens, I have a spare set of keys in my office.

碰巧我在办公室有一套备用钥匙。

《牛津词典》

As it happens, America's armed forces are on the case already.

碰巧的是，美国武装部队已经介入此事。

youdao

I saw him yesterday, as it happens.; it so happened that I saw him yesterday.

碰巧我昨天看见了他。

《新英汉大辞典》

Earlier this month, Hollaback! released an application for the Apple iPhone that lets users report harassment as soon as it happens.

VOA: special.2010.11.29

Now as it happens--this is a novel--as it happens, our hero looks rather like the other man.

小说中故事就这样发生了，我们的主角和另一个人长得很像。

耶鲁公开课 - 死亡课程节选

And indeed, as it happens, in our department this very semester there is such a class devoted, all semester, to the topic of consciousness.

当然,这也的确是如此,我们系在这一学期,就有这么一个班,花了整整一个学期,来讨论意识问题

耶鲁公开课 - 死亡课程节选

As it happens, this nine-year-old fund has averaged a real annual return of 0.34%.

FORBES: Rational Expectations

As it happens, her new album, Don't Hurry For Heaven, also just came out.

NPR: Paul Curreri And Devon Sproule: A Couple Of Solo Artists

The result: for a split second, you are living the experience with Thoreau as it happens.

FORBES: A History Book, Tweet by Tweet