Such a model would be able to explain the not uncommon occurrence of people with six rather than five fingers.
For this woman, not understanding something was not so uncommon an occurrence.
In practical terms, this is an uncommon occurrence if it does occur.
As you heard, the Act deals with only a narrow and fairly uncommon occurrence.
She also carried full royal titles, an uncommon occurrence for women.
The oak door was set wide open, not an uncommon occurrence.
This has been a very uncommon occurrence, but will probably become more common in the future.
Except, Lestrade added, when he felt moved to beat her, which was by no means an uncommon occurrence.
It is not an uncommon occurrence, he said, but his reaction was.
Not an uncommon occurrence, though-erosion I think they call it.