然而，为了获得良好的需求，我们需要做很多工作，像需求工程或者变更管理等等。
However, to obtain good requirements, requires several activities such as requirements engineering or change management.
然而，为了获得良好的需求，我们需要做很多工作，像需求工程或者变更管理等等。
However, to obtain good requirements, requires several activities such as requirements engineering or change management.
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