Under certain conditions, the ratio between profit dedication and advertising cost should be equal to the point of equilibrium of advertising investment.
在一定条件下，利润贡献与广告成本的比值等于广告投入保本点的销售量。
Because packing optimization can increase container's utilization ratio and decrease transport cost, the corporation profit is improved.
布局的优化可以提高集装箱的空间利用率，降低运输成本，从而提高企业的利润。
Because packing optimization can increase container's utilization ratio and decrease transport cost, the corporation profit is improved.
布局的优化可以提高集装箱的空间利用率，降低运输成本，从而提高企业的利润。
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