Warning: file_put_contents(/www/wwwroot/zidian/03883.cn/cache/e4ab0811d0dad0b8e76fe0d845780894.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/03883.cn/index.php on line 58 contribution margin ratio例句_contribution margin ratio英汉例句_contribution margin ratio双解例句_指尖链有道词典
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。 wtokj.com