When the supplier provides the discounts for the ordering quantity, the profit-making level of retailer is higher than that without the discounts.
研究表明，供应商提供数量折扣时，分销商具有更高的利润水平。
When the supplier provides the discounts for the ordering quantity, the profit-making level of retailer is higher than that without the discounts.
研究表明，供应商提供数量折扣时，分销商具有更高的利润水平。
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