economic benefit cost ratio

例句：

1. 1. The company's economic benefitcost ratio is 2:1,which means it generates twice as muchprofit as it costs to produce.
   该公司的经济效益成本比率为2:1，这意味着它产生的利润是生产成本的两倍。
2. 2.To improve the efficiency of our production process, we need to analyze the economic benefitcost ratio.
   为了提高我们生产过程的效率，我们需要分析经济效益成本比率。
3. 3. The economic benefitcost ratio is an important factor in determiningthe success of a project.
   经济效益成本比率是决定项目成功的重要因素。