It means there is an ever-growing pool of interchangeable workers, many of them shunting from one low-paying job to another.
For the commercial sector, advertising revenue has represented an ever-growing pool of funds.
Yes, we will take every dot-com ad that can pay for it, but our business plan is not built on soaking up an ever-growing pool of dot-com advertising.
I know, I know, and that means there is now a considerable pool of Roman citizens in every Latin Rights town- an ever-growing pool, at that!
The conference taps into an ever-growing pool of yogis.
The more successful Du Pont synthetic rubber factory could never mop up the ever-growing pool of surplus labour.
Young, media-saturated lives traverse an electronic landscape, peopled with elite "Survivor" and "American Idol" winners and an ever-growing pool of reality show losers.
He had removed the cap and was holding the container upside down, watching, fascinated, as the viscous white substance drooled into a ever-growing pool on the kitchen floor.
And on the street at the foot of the wall, people came up to add small bunches of roses and spring flowers to an ever-growing pool of color.
While small-business owners are ratcheting up security, the Federal Bureau of Investigation is not only offering tips on deterring potential vandalism but is doing so to an ever-growing pool of companies.