2.1Practical considerations 通常的考虑 1. Have you been provided with a design document to understand the code ? Is the design document up-to-date (latest version) ? 你是否得到一份解释代码的设计文档?设计文档是否最新的? 2. Does the design document explain 设计文档是否做了如下解释: - program architecture ? 程序结构? - module breakup a