The contribution margin ratio tells the increase in the total contribution margin and operating income for each additional dollar of sales revenue.

边际贡献率表示销售收入每增加一个单位时边际贡献增加的幅度。

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The dog and soda combination produces a dollar in margin.

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But the top exec maintained that the figures add up to a mere pittance: 7.7% profit margin for every dollar of sales.

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Winners outnumbered losers by a wide margin, but the dollar stores were among the groups in the red.

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