premiumn.额外费用;奖金;保险费n.(商)溢价adj.高价的;优质的
premium properties优良性能
premium gasoline.质优价高的汽油
premium source rock优质烃源岩
premium rate effect溢价率效应
premium enterprises龙头企业
premium price issue溢价发行
premium on an issue溢价发行
premium grade paper优质纸
premium advertising有奖广告
premium/discount溢折价