adjective
giving the best possible profit or benefits in comparison with the money that is spent
► ˌcost-efˈfect·ive·ness noun [ U ]
adjective
giving the best possible profit or benefits in comparison with the money that is spent
► ˌcost-efˈfect·ive·ness noun [ U ]
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005