0 If there is a world of difference between two people or things, they are very different:
There's a world of difference between the service in the two hotels.
We know (by point 2) that even a dynamically tiny external input makes a world of difference.
While in laboratory conditions cognate words from different languages may appear indistinguishable, outside the psycholinguistic lab a world of difference can separate some, seemingly close, cognates.
Normatively, however, there is a world of difference between what is appropriate political practice in a world of full presence and in a world of partial presence.
There is a world of difference between the two.
I see a world of difference between the position of a trade union and that of a building society.
There is a world of difference when a manifesto commitment is subsequently proved to be unlawful but, at the time, was not unlawful.
There is a world of difference between the two things.
There is a world of difference, as he knows.
