The teaching 'profession' opposes the new law. = ('Brit') The teaching 'profession' oppose the new law.
The doctor talked to students who are thinking about entering/joining the 'profession'.
('humorous') She works in 'the (world's) oldest profession'. [=she is a prostitute]
(..) Hammer. Did you break his nose? Well,yes. I'm happy that I made you pay off old scores. In your profession it's important. You'll have this for a few weeks with a little rehabilitation. Then you'll be as good as new. Unless you don't say where my girlfriend is. (..)1981 To Kill a Cop