This is the same as the e-commerce operations or new media operations, existence is reasonable, reliable or not reliable can look at the results, such as cooperation can be based on the commission, so that the single only calculate the cost, but also by a small amount of service fees + commission, on the one hand, on the one hand, the merchant can also be done to achieve the cost of controllable, controllable effect, the operator can also be done to maximize the output of the operation, this kind of cooperation on behalf of operations In order to be sustainable and long-lasting, Changsha, morning train, network.