These men played their own valuable role in making the journey a successful one.

"They will, however, play a central and valuable role in our economic development."

This may well be possible: there is hardly a field of study in which computers do not have a valuable role to play.

China, the host for the talks, played an especially valuable role.

Her most valuable role, especially as the company grew, was maintaining image.

But that doesn't mean it can't play a valuable supporting role.

I am sure he will continue to play a valuable role in public life.

He played a valuable role on special teams as well.

You therefore have a valuable role to play in making social policy more transparent.

The elderly play a very valuable role in our society.