The basic principle of cost behaviour is that as the level of activity rises, costs will usually rise.

成本行为的基本特征是：作业水平上升，则成本通常也上升。

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The basic principle of cost behaviour is that as the level of activity rises, costs will usually rise.

成本行为的基本特征是：作业水平上升，则成本通常也上升。

youdao