The quality of our sets and costumes differ from other theatres in the city, too.

The quality of staff performance also differed between the houses and other types of setting.

But the quality, quantity and content of that training differ very considerably.

Also, it is difficult to commodify art because quality differs, even in works done by the same artists.

The quality of military medicine differed sharply among nations.

The playing quality differs depending on the material it is made from.

The quality and comprehensiveness of national accounts data differs between countries.

Every governing body is free to set its own standards, so the quality of races may differ.

Both the frequency and quality of European rest areas differ from country to country.

You'll probably qualify to use several, but the quality differs widely.