Every country has its own culture and religion, a frequent source of diplomatic unity or friction.

A: Money battles are a frequent source of frustration for couples.

Burns' extreme old age is a frequent source of humor on the show.

They said the heating system had been a frequent source of problems.

American church groups as a whole are frequent sources of corruption and confusion in politics.

She also was a frequent source of information about her famous father.

In the second season, he moves into the loft apartment and is a frequent source of trouble.

The former canal and subway tunnels have become a frequent source of debate.

Their son, Martin, who later became a writer himself, was a frequent source of inspiration to his father.

He is a frequent source for journalists and other researching Anabaptist groups.