benefit cost ratio

例句：

1. 1.The company's profit margin is a key metric for measuring its success.
   公司的利润率是衡量其成功的关键指标。
2. 2. To calculate the benefit-cost ratio, we need to compare the total costs with the total benefits.
   为了计算利益成本比率，我们需要将总成本与总收益进行比较。
3. 3. The project's budget was significantly higher than expected, which led to a high benefit-cost ratio.
   该项目的预算远高于预期，导致高利益成本比率。