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；
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。
The Iraqi Lante margin of preference enlarges mainly is the market quotation influence.
伊兰特优惠幅度的加大主要是受市场行情的影响。
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