(~s)
A ~ is a particular subject that you discuss or write about.
The main ~ for discussion is political union...
N-COUNT
(~s)
A ~ is a particular subject that you discuss or write about.
The main ~ for discussion is political union...
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012