(~s)
If one thing is a ~ for another, it must happen or exist before the other thing is possible.
Good self-esteem is a ~ for a happy life...
N-COUNT: N for/of n
(~s)
If one thing is a ~ for another, it must happen or exist before the other thing is possible.
Good self-esteem is a ~ for a happy life...
N-COUNT: N for/of n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012