On this world it seems to be a common occurrence.

It's a very common occurrence and is not usually considered a medical problem.

Accidents do not seem to have been a common occurrence.

My crime was a common occurrence in the neighborhood where I lived.

This is a common occurrence with companies that usually have more than their fair share of the market.

Violent crime was a common occurrence in the area he lived.

The fact that this was probably a common occurrence didn't make her feel any better.

This is not an isolated story but a common occurrence.

The most common occurrence of this is called water hammer.

To die in the desert was a common enough occurrence.