( tertiary sectors)
The tertiary sector consists of industries which provide a service, such as transport and finance. ( BUSINESS )
...economies that are slowly increasing the proportion of their labour force in the tertiary sector.
N-COUNT
( tertiary sectors)
The tertiary sector consists of industries which provide a service, such as transport and finance. ( BUSINESS )
...economies that are slowly increasing the proportion of their labour force in the tertiary sector.
N-COUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006