Costs and Benefits

• 成本效益

Costs and Benefits的用法和样例：

例句

1. Cost effective selection of facilities and equipment.
   依据成本效益选择设施及设备。
2. Basing protection levels on the costs and benefits of protection government decision on public investment in environment protection is analyzed.
   摘要运用一个简单的成本效益分析模型，分析了政府进行环境治理项目投资的决策问题。