| 摘要 |
<p>A shop unit determines points being imparted to a client having purchased an article of commerce from a client unit over the Internet, by means of a roulette. Consequently, desire for purchase of the clients can be sustained not only for a specified article of commerce for a specified period but for all articles of commerce. Since clients have a chance to get higher points through a roulette, desire for purchase of the clients can be stimulated and the clients can enjoy shopping.</p> |
