( advertising agencies)
An advertising agency is a company whose business is to create advertisements for other companies or organizations.
Advertising agencies are losing their once-powerful grip on brand marketing.
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( advertising agencies)
An advertising agency is a company whose business is to create advertisements for other companies or organizations.
Advertising agencies are losing their once-powerful grip on brand marketing.
N-COUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006