These are useful measures but the liquor authority still has plenty to do.

The number needed to treat: a clinically useful measure of treatment effect.

The heat absorbed by the process can be a useful measure.

However, one can use the root mean square as a useful measure of that distance.

We don't yet know just how many people will be employed there, but that's not a very useful measure of size anyway.

"This will be a more useful measure of performance."

That makes the unemployment rate a far less useful measure of the country's well-being than it once was.

This is a useful measure and it is one which we all need.

Changes in habits of production and consumption would be another useful measure.

However, the bill also includes useful measures that might reduce crime and fear.