This is what the old ones used to tell us.

This way, the people who pay for the services are the ones using them.

Thus, instead of one big hard drive I now have two little ones using the same physical disk.

With so many kinds of tests available, how do you decide which ones to use?

The ones on the floor there, you can have any of those, I can't use 'em.

With so many oral care products on the market, it can be hard to decide which ones to use.

The ones he uses to monitor everyone who comes in and goes out of the airport.

"So far as we know, we're the only ones using this type of technique."

The ones Theresa was going to visit could surely use money.

It's hard to believe that the 111 players who tested positive were the only ones using steroids.