APT不允许你修改源代码，但对产生辅助文件却有相当大的帮助(像WSDL、文档)。
APT doesn't allow you to modify the source code but it's useful for generating auxiliary artifacts (like WSDL, Documentation).
这样的软件将交付给你使用，并且不允许你修改它。
The software would then be delivered to you in devices that do not allow you to change it.
使问题更为复杂的是，大多数库的提供商并不提供源代码或不允许修改他们的代码，这将使您常常需要他们提供支持。
To complicate matters, most library vendors do not provide source code or permission to change their code, which can sometimes leave you at their mercy for support.
应用推荐