建立维护现有客户与潜程客户关系。
Establish and maintain current client and potential client relationships.
制定提供销售报价及销售合同，维护现有客户及潜在客户关系；
Prepare quotations and sales contracts, maintain current client & potential client relationships.
随着时间的推移，服务需要进行维护或提供新特性，但是您必须避免影响到现有客户。
Over time, services will require maintenance or provide new features, but you need to avoid affecting existing consumers.
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