明确业务背景、业务范围、基本业务逻辑和业务框架，期望读者包括：项目发起人、最

终用户、项目投资方、项目管理团队、项目执行团队，以及其他项目干系人。 -Clear business background, business scope, the basic business logic and business fr a mework, expect the reader to include: project sponsors, end users, project investors, project management team, project implementation team, as well as other project stakeholders.