The difference of unit contribution margin will lead to the different wavy rule of business income.

不同的单位毛利导致不同的企业收益波动规律。

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But the unit contribution margin is at a lower level, it will appear the unusual case.

但是单位毛利降低时，就会出现异常的情况。

youdao

But the unit contribution margin is at a lower level, it will appear the unusual case.

但是单位毛利降低时，就会出现异常的情况。

youdao