Affected industries clung to the former wildlife policy of valuing individual species according to their economicusefulness.
受影响的行业坚持以前的野生动植物政策，即根据其经济价值对单个物种进行评估。
2
Their economicusefulness, it is argued, is far outweighed by their capacity to create systemic risk.
人们认为它们引发系统风险的能力远远超过经济方面的可用性。
3
Derivatives' tendency to magnify problems has led to calls for regulators to ban some types.Their economicusefulness, it is argued, is far outweighed by their capacity to create systemic risk.