| 摘要 |
A transaction supporting facility enabling both a consumer and a provider to perform a transaction at the prices that both desire by removing the drawbac k of conventional auction systems, that is, the difficulty and scarcity of making a transaction, wherein when providers X and consumers Y want to make transactions, if the provision price presented by a provider X is higher tha n the purchase price presented by a consumer Y, the transaction is conducted without adjusting the presented prices, the provider X can sell a commodity at the provision price, the consumer Y can purchase the commodity at the purcha se price, and the difference between the prices can be managed and dealt with b y the system side.
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