"You're right," she agreed, only too pleased to leave the problem of her parents to sort itself out another day.

That would simply leave the problem for my grandchildren to solve.

That left the problem of getting physically through the course.

That just left the problem of who to try and cultivate.

Better to put a stop to this now, rather than leave the problem to their grandchildren.

That left the problem of what to poke it with.

This left the problem of what to do with the property.

This leaves the problem of what might best be called too much local color.

Well, I'll leave the problem with you for the moment.

It still left the big problem on his hands, however.