经济风险分析主要集中在防洪费用效益的风险分析；
Economic risk analysis centres on cost benefit risk analysis of flood control.
并在分析不同评价方法的基础上，选用费用效益分析方法来评价VMS的社会经济影响。
Based on the analysis of different methods, the paper chooses cost-benefit analysis to evaluate socioeconomic effect of VMS.
在涉及污染与健康的环境费用效益分析中，社会必须权衡经济收入与生命价值。
Where pollution and health are involved in a Benefit-Cost Analysis, a tradeoff must be made between economic costs and the value of a life.
在涉及污染与健康的环境费用效益分析中，社会必须权衡经济收入与生命价值。
Where pollution and health are involved in a Benefit-Cost Analysis, a tradeoff must be made between economic costs and the value of a life.
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