These are separate problems, and they should not be confused.

A separate problem is the disparity between the levels of civilization.

Rita could accept that as a separate problem, I think.

There are, in fact, at least two separate problems to be solved, both of them enormously difficult.

That's a separate problem to be attended to besides the one on the table.

For now, the Europeans are struggling with their separate domestic problems.

If the depression is a separate problem, it can be treated on its own.

"You have two apparently separate problems," she said after a moment.

The outworlds may yet fall under attack, but that will be a separate problem.

The issue of participation by Palestinians poses two separate problems.