新客户，不管是否选择捆绑业务，都会得到最优惠的服务，所以有必要的话，可以经常换供应商。
New customers, whether bundling services or not, usually get the best deals, so it may be necessary to switch providers.
通过研究得到以下一些主要结论或管理启示：1、扰动发生后，大多数情形下供应商和零售商最优策略选择是不一致的。
Through research we get some of conclusions or managerial insights, such as1. After the disruptions, the optimal strategy of choice in supplier and retailer is inconsistent in most cases.
决策阶段主要是利用TOPS IS方法对符合竞争条件的供应商进行优劣排序，从而选择出最优供应商。
The stage of evaluation is to use the method of TOPSIS to sort the vendors, and then select the best vendor at last.
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