( of a new system, sth you have bought, etc. ) to save as much money as it cost :
The rail pass will pay for itself after about two trips.
( of a new system, sth you have bought, etc. ) to save as much money as it cost :
The rail pass will pay for itself after about two trips.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005