premiumn.额外费用;奖金;保险费n.(商)溢价adj.高价的;优质的
premium casting优质铸件
premium reserve保险费准备
premium version收费版本
premium returns额外利润; 退还保险费
premium gasoline高级汽油,优质汽油
premium business保险生意
premium for risk[经] 风险报酬
premium received[经] 收到佣金(酬金), 收到保险费
premium currency升水货币