(~s)
A ~ is an official note signed by a doctor which states that someone is ill and needs to stay off work for a particular period of time.
N-COUNT
(~s)
A ~ is an official note signed by a doctor which states that someone is ill and needs to stay off work for a particular period of time.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012