They feel he may be useful, with the proper training.

It is useful only with comparison to other similar values.

Meanwhile, a lot of folk still do something useful with their time.

And then, unlike me, you can do something useful with your life.

Perhaps she feels guilty about not doing anything useful with her life.

His outside shot would have been more useful with the new defensive rules.

I should have done something more useful with my life.

No, not until the company does something useful with that money.

Don't you think the world would be a better place if these talented people were doing something more useful with their lives?

It is useful alone or in combination with light therapy.