riskern.冒险者；投机者riskn.危险；风险；投资报酬的风险vt.冒 ... 的危险；承受...的风险risk and performance风险及效益risk diversification风险分散risk factor variable风险因子变量risk characteristics风险特性Risk source analysis风险源分析risk for own account个人责任险Risk sexual behavior危险性行为Risk Base Inspection基于风险检验risk aversion theory风险规避理论risk of foreign debt外债风险