Partner links are bound at deployment time, therefore service providers can be substituted without changing the process structure.
伙伴链接在部署时被捆绑在一起，因而可以在不改变流程结构的条件下替换服务供应者。
2
Then, at deployment or run time, different implementations can be substituted for this specification to achieve the desired qualities of service.
然后，在部署和运行的时候，该规范可以替换成各种的实施方法，以获得服务所需的质量。
3
In a Web service test, where data in a request depends on data contained in the response to a previous request, the request data is substituted from the response data on which it depends.