而真实的电子商务对话更需要是一个平等的角色，这就意味着双方都可以是服务提供者和请求者。
Real e-business dialogue requires a more peer-to-peer role, meaning that both partners can be providers and requesters.
应包含在企业商务交易中的有价值的Web服务需要关于服务提供者如何对服务的使用进行收费的模型。
Valuable web services that shall be included in enterprise business transactions demand models on how service providers can charge for the service's usage.
总线提供一种增强的环境使服务请求者(客户机端入站(on - ramp))和服务提供者(服务器端出站(off - ramp))能通过Web服务实现动态电子商务。
The bus offers an enhanced environment for conducting dynamic e-business with web services for both the service requestor (the client side on-ramp) and the service provider (the server side off-ramp).
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