( informal ) (after nouns) used to show that sth is interesting or unusual :
The traditional backpack with a difference—it's waterproof.
( informal ) (after nouns) used to show that sth is interesting or unusual :
The traditional backpack with a difference—it's waterproof.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005