There are regional variations in the use of future tense.

It is not adjusted for regional variations in the cost of living.

We must start thinking in terms of reform for Britain - national and regional variations on the best way forward.

Without regional and local variations, a further gap will be created.

The proposed tax will take no account of regional variations.

We need such data and it needs to be sensitive to regional variations.

There are some regional variations as well, at least in details.

There was a great deal of regional variation in the system.

There are regional variations in the name used to define them.

Brick is used across the county, with some regional variation.