The content of both the problem and vision statements should come directly from research and user models. User goals and needs should derive from the primary and secondary personas, and business goals should be extracted from stakeholder interviews.

• 问题和前景综述中的内容应该直接从研究和用户模型中获得，用户目标和需要应该从首要和次要人物角色中推导出，而商业目标则应该从与利益相关人的访谈中提取。