( sliding scales)
Payments such as wages or taxes that are calculated on a sliding scale are higher or lower depending on various different factors.
Many practitioners have a sliding scale of fees.
N-COUNT : usu sing , oft N of n , on a N
SLIDING SCALE
Meaning of SLIDING SCALE in English
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006