(~s)
You can describe something as a ~ when it makes life better or easier for someone.
This battery booster is a ~ for photographers.
N-COUNT: usu a N to/for n
(~s)
You can describe something as a ~ when it makes life better or easier for someone.
This battery booster is a ~ for photographers.
N-COUNT: usu a N to/for n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012