They 'modeled' their educational system 'on' the U.S. system. [=they used the U.S. system as a model when they created their educational system]
His best dish is closely 'modeled on' his mother's recipe. [=is based on and very similar to his mother's recipe]
She 'models' [=she works as a fashion model] for the world's most successful modeling agency.
(..) Hey, asshole, aren't you supposed to be consoling me? I'm not a shrink, Bob. I'm a wake-up call. You know why kids love athletes? I don't know. Because they screw lingerie models? No, that's why we love athletes. Kids love athletes because they follow their dreams. -Well, I can't dunk. (..)2009 Up in the Air