(~s)
Mass murder is the deliberate illegal killing of a large number of people by a person or an organization.
N-VAR
(~s)
Mass murder is the deliberate illegal killing of a large number of people by a person or an organization.
N-VAR
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012