marginal contribution的用法和样例：
例句
- And those developing growth strategies will use contribution margin and incremental costing analyses.
而那些开发增长战略的分析师会运用边际贡献和增量成本分析。 - Contribution margin is the excess of revenue of the profit center over all variable costs of those sales.
边际贡献是指利润中心的销售收入减去售出产品的全部变动成本后的余额。
