By a happy coincidence , we arrived at exactly the same time.

碰巧运气好，我们刚好同时到达。

《牛津词典》

Some statisticians would say it is just a coincidence that over time will be evened out.

一些数据统计者认为这只是一个巧合，随着时间的推移，这个数字将持平。

youdao

It's not just a coincidence that they're doing it at the same time.

他们一起做这件事不只是巧合。

youdao

Then dark energy would have to be something that varies in space, time, or both, and is close to -1 today just by coincidence.

ECONOMIST: Cosmology

Perhaps it is no coincidence that post-holiday depression after the Christmas period follows a time of abundance and excess.

ECONOMIST: Dead set against

It is an interesting triple "coincidence, " which probably evolved over time, that our eyes are most sensitive to yellow-green light, which happens to be the characteristic color of sunlight as well as the color that can most easily be transmitted through the Earth's atmosphere.

CNN: Why gamma-ray burst shocked scientists