Other researchers say that it is impossible to do a cost-benefit analysisof these engineering proposals because the potential downside is so uncertain - and large.
其他研究人员称，不可能对此类工程学提案进行成本效益分析，因其潜在的负面效果是不确定——而且严重的。
2
This paper makes an exploration into the method and significance of controlling highway engineeringcost by using the value analysis.
此文就此探讨了应用价值分析，控制公路工程成本的方法和意义。
3
Value engineering is a function analysis method achieving the necessary functions at the lowest costof total lifetime cycle.