Hello, just a little question to native English speakers: Is there any difference between "a great majority" and "the great majority", such as in "the great majority of visitors are British"? I've seen both, but "the great majority" seems to be more common. Does any one of them sound more natural than the other? To me, "a great majority" makes more sense, because we do not specify how big this majority is; it is just "some" majority. Nevertheless, native speakers probably don't perceive it this way, or do they?