by RonPurewal Wed Aug 05, 2015 3:07 am
if you have this sort of thing, it will mean EITHER
1/ there are a bunch of x's, but, among those x's, ___ is the only one that does something,
OR
2/ there are a bunch of x's that do something, and ___ is one of them.
in any given context, it should be clear which of these is the intended meaning. if it's not clear, then you're thinking too much about 'mechanics' and not enough about what the sentence is actually supposed to say.