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.
(..) I didn't realise anyone was here, so... Yeah, I was just... I was working on my totem, actually. Here, let me take a look. So you're learning, huh? An elegant solution for keeping track of reality. - Was it your idea? - No, it was, uh... It was Mal's, actually. This... (..)2010 Inception