This is gradually eroding the spread of books that they take on.
The decline, researchers say, may be gradually eroding the quality of care.
And in turn they, too, will become old wealth whose importance gradually erodes.
By gradually eroding the trust people have in search, they're playing a risky game.
Syria's share in global exports has eroded gradually since 2001.
If oil prices remain this high, as many experts fear, they could gradually erode the economic recovery.
We can never be satisfied, gradually eroding our self-esteem and confidence further.
The enforced separation of the colleges eroded gradually over the years.
Yet under the new emperor, Conrad's powers were gradually eroded.
She has some memory of sounds, since her hearing eroded gradually and mysteriously over several years.