If it's a useless exercise, and it doesn't make the relationship any better, then we won't do that.

You go down and take the seal off, it's a useless exercise.

In my view, that would be a useless exercise.

Unless they could read lips, that was a useless exercise.

Has the Internet made research papers a useless exercise for college students?

This useless exercise costs the taxpayers about $20,000 a year.

Most likely following the tracks would be a useless exercise.

The entire process would be a long and practically useless exercise.

The work would seem to be an abstract and useless exercise.

That being said, it is not a useless exercise to point out some fundamental factors.