As an old boss of mine said when hiring, "Does this person have ten years' experience? Or one year's experience, ten times?".
What he meant (i think!) was that someone who's been doing something for ten years might not know any more than someone who's been doing it for a year - they've just been doing the same thing over and over again.
What he meant (i think!) was that someone who's been doing something for ten years might not know any more than someone who's been doing it for a year - they've just been doing the same thing over and over again.