| 摘要 |
A general customer logs in to the system, proceeds from the main menu to the merchandise selection menu, and selects the merchandise he wants to purchase. At that time he refers to the information concerning the combinations of the merchandise he desires and the merchandise combinations. These pieces of information are provided by charisma customers selected from among general customers. A charisma customer has a privilege such as a preferential purchase of merchandise at a low price, but in return he has an obligation to feed information concerning merchandise back to the system, namely the party selling the merchandise. The general customer can make an accurate purchase of the merchandise he wants to purchase based upon useful information provided from the charisma customers.
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