题目内容
The Seller shall give the buyer a certain percentage reduction, that is to say, give appropriate preferential treatment on the price. This is called ().
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In international trade, the formula of commission is ().
In international trade, commission is usually charged by ().
Which of the following prices is inclusive of commission？ （）
In the international market, some seasonal commodities can be sold at a good price if they can arrive at () and seize the market.
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