Beth's knowledge of architecture also proved to be a great help.

Could his knowledge and skills prove he has another motive for being here?

A knowledge of open interest can prove useful toward the end of major market moves.

It occurred to him that the knowledge might prove useful.

Perhaps just your knowledge of the Culture would prove useful.

The most basic knowledge proves elusive, often never recorded in the first place.

He wanted what the child wanted: knowledge of another presence, proved in touch.

Their knowledge will prove quite useful once they're persuaded to provide it.

Your knowledge of Moyland's business may prove quite profitable to us.

Especially their profound knowledge of the German language and customs proved to be very useful.