变动费用 meaning in Chinese

variable expenditure
variable expenses
vc=variable cost

4 . the decision model proposed is different from traditional models and variable expense , not variable cost , is considered
与传统的模型不同，本文建立的决策模型中考虑了变动费用，而不是变动成本。
In the equation approach , we start by dividing total expenses in ? to variable expenses and fixed expenses , and then express in ? come in equation form
在公式法中，我们首先将总费用分为变动费用和固定费用，然后得出利润公式。