differential power prices 差别电价 ; 差异电价
Some firms have adopted “differential pricing” schemes that use formulas, based on average income per head, to set lower prices in poor countries.
一些公司已经在采用依据人均收入区别定价的方法向贫穷国家提供价格较低的药品。
The sharp drop in oil prices in recent weeks may reduce this differential, but could easily be reversed by supply disruption or a harsh winter.
近期原油的大幅下跌也许能减少两者之间的差距，不过原油供应的中断或是严冬都很容易再度扩大这个差距。
All prices are uniform throughout the province, despite inevitable differential costs incurred by transportation and distribution.
整个省的同一商品的价格是一致的，尽管会不可避免引起运输配送成本的不同。
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