You try to dig out any documentation that exists for these systems and then build your functional areas, subsystem maps, and higher-level business use cases from there.
将尝试发掘存在的任何有关这些系统的文档，并随后以此为依据构建功能区域、子系统映射和高级业务用例。
2
There's no benefit in over-testing a functional area or subsystem.
如果过度的测试一个功能区域或者子系统是没有好处的。
3
According to the functional interfaces, the system can be divided into three parts: the testing subsystem, the agent self-learning subsystem and the human-agent game-playing subsystem.