21.   Quality varies alarmingly.

22.   Quality varies, so check with butchers to find out who sells those with the most meat.

23.   Quality varies, not just from year to year but also from bottle to bottle.

24.   Service quality can vary as well, she says.

25.   She uses seafood sausages instead of chicken, but I found that their quality can vary from market to market.

26.   Signal-boosting amplifiers on the cable route may be overtaxed, and picture quality often varies from channel to channel.

27.   The credit quality of junk bonds varies widely.

28.   The quality has varied, but the focus is unmistakable.

29.   The quality varies tremendously.

30.   The quality of service varies wildly, with hotel staffs ranging from efficient and friendly to slow and surly.