对不能够被交付的需求进行归档是没有意义的。
There is no value in documenting requirements that won't be delivered.
只是在这种情况下，我们发送的不是确认信息，而是之前创建的且等待被交付的SOAP信封。
Only in this case, we're not sending acknowledgements, we're sending a SOAP envelope that had been previously created and was waiting to be delivered.
理想情况下，设计和执行测试应当发生在软件被交付的时候，并且系统文档不应当被唯一地用作测试依据。
Ideally, designing and executing tests should take place when the software is delivered, and the system documentation should not be used exclusively as the test basis. 2.
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