Riska里斯卡riskn.危险；风险；投资报酬的风险vt.冒 ... 的危险；承受...的风险risk partiality风险偏好risk one's neckrisk precaution风险防范risk and revenue风险与收益risk of fmancing融资风险risk preparation危机储备risk-sensitive风险敏感度risk probability风险概率risk elimination除险risks allocation风险分配