| 摘要 |
PROBLEM TO BE SOLVED: To provide a buying and selling negotiation system, capable of ensuring credit of a counter-party and negotiating a price flexibly in the buying and selling negotiation system, enabling the selling side and the buying side of merchandise to negotiate the price via a network. SOLUTION: In the buying and selling negotiation system, enabling a user desiring to sell the merchandise and a user desiring to buy the merchandise for negotiating its price via the network, the negotiation can be realized by an amount lower or higher than the prices offered initially. |
