sliding scales

英 [ˈslaɪdɪŋ skeɪlz]

美 [ˈslaɪdɪŋ skeɪlz]

n.  浮动费率制(根据情况上下浮动费率的交纳制度)
sliding scale的复数

经济

柯林斯词典

• N-COUNT (工资、税率等按情况变化而调整的)滑准计算法，浮动制
  Payments such as wages or taxes that are calculatedon a sliding scaleare higher or lower depending on various different factors.
  1. Many practitioners have a sliding scale of fees.
     许多从业者都采用浮动制计费。