a problem that has so far resisted 'solution' [=a problem that no one has been able to solve]
Medication may not be the best 'solution' for the patient's condition.
She suggested a number of creative 'solutions to' the housing crisis.
(..) They're animals, so let them lose their souls. I hoped that we could come here and reason together. And I'm willing to do whatever is necessary to find a peaceful solution. We are agreed. The traffic in drugs will be permitted, but controlled. Don Corleone will give us protection (..)1972 The Godfather