He wasn't quite sure how to work an old model like this.

If the old model was perfect, then the new one couldn't be any better.

And in fact an old model of a network is the phone system.

We will not be able simply to fall back on old models of public administration.

To be sure, older models still have to look good.

They don't care that you made a hundred million last year from the old model.

Many of the old models from before 1992 have once again been taken into production.

The truck was an older model, from 1988, the police said.

What if one of the older models fell into the wrong hands?

But over the last six years this old model has broken down.