| 摘要 |
The invention is basically differentiated from existing technologies in that the subscribers do the activities for direct purchase and commerce. In this case, the subscribers should invite their own sub-subscribers according to the contract which express when Xn is 1, 2, 3, and ...n., n's sub-subscribers are wholly selected by subscribers own selection. The invention make it possible for subscriber to advertise and sale by managing his own sub-subscribers in insuring the market and to manage, control and service by guiding the movable investment.
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