Margin of Preference 优惠差额 ; [税收] 优惠幅度
absolute preference margin 关税优待的绝对差额
margin tariff preference [税收] 关税优惠幅度
automatic margin of price preference 自动的价格优惠幅度 ; 自动价格优惠幅度
The research discovers that:(1) Whether enjoy the tax preference has the obvious influence to main camp service profit margin, property net profit rate and property ratio of debt.
研究发现：（1）是否享受税收优惠对主营业务利润率、资产净利率和资产负债率有显著影响；
At present the Iraqi Lante's margin of preference already very was big, again had the possibility which large scale reduced prices not to be big.
目前伊兰特的优惠幅度已经很大，再有大幅度降价的可能性不大。
The non-margin bear operation mechanism of paper gold, once established, is supposed to further stimulate market speculation preference, thus accelerating market growth by multiple times.
如果银行纸黄金建立非保证金空头操作机制，将进一步刺激市场投机偏好，应该会对市场形成成倍促进作用。
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