输入：

1 已实施的解决方案

外部输出 其它角色的工作成果

2 业务目标

验收标准：一个验收

评价标准：比较衡量的方式

验收标准如写到合同中则很难有调整

干系人：

合规需求等

8.1 Measure Solution Performance：搜集和business objectives相关的数据

Qualities Measure：can be implemented through focus grop, obtainging users's feedback and suggestion related to product

Currency: current 时效性

Defining acceptance criteria can be viewed as defining requirements.as solution must meet acceptance criteria. So acceptance criteria also can be viewed as one type of R.

1. 理解左图（书中的图）

Acceptance Criteria对一进行验收，结果通过或失败

Evaluation Criteria对多个方案评价，结果排名。