释义 |
Costs and Benefits短语⁷⁹⁹⁷⁸⁺⁹ 基本例句 成本效益 Cost effective selection of facilities and equipment.依据成本效益选择设施及设备。 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。 |