| 摘要 |
Electronic buying and selling systems and methods are provided. In particular, relations among distinct price curves and buyers or potential buyers are disclosed. For instance, a price offered to a system user can vary based on total volume of all people aggregating in private environments, cumulative total order by user, ship date, optimal time, as well as terms and conditions associated with the offer (e.g., no cancellation of order, cancellation possible, payment method . . . ). |
