| 摘要 |
PURPOSE: A cooperative buying method of a consumer return type is provided so that a mass buyer or a group consumer requests for buying a product through the site of this company, the company firstly discounts the price for a provider and announces the discounted price on the site of the company, and thusly general consumers can participate. CONSTITUTION: A mass buyer or group consumer informs this site of the price and quantity of a product to buy. The company sells informs the mass buyer or group consumer firstly discounts the price at which a provider is to buy the product and informs the mass buyer or group consumer of the discounted price known. The product of the discounted price is announced in the site so that general consumers can participate. The price is secondly discounted for the provider since the quantity is increased due to the participation of general consumers. The consumer buys the product at the secondly discounted price by using this site and this sale method. The margin generated from the secondly discounted price is returned to the mass buyer, group consumer, or general consumer.
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