But the real source of her anguish was the decision to leave the boys in England.

The more hands take credit, the less clear a trail to the real source.

What is the real source of such vicious emotional death?

She was a real source of strength for the board.

But the real source of lightness was the music itself.

But the body was merely a nuisance rather than a real source of interest.

The real source of power, the owner, was someone else.

She demanded to know the real source of his worry.

One or more union pension funds were thought, by some, to be the real source of the new money.

A minute or two later, the real source of the fire became apparent.