例：考虑一个工资系统 102 13 口一开始，客户说他的需求很“简单明确”： Employee information Produce Paychecks Paychecks Hours worked Institute of Computer Software 2022-2-27 Nanjing University例：考虑一个工资系统  一开始，客户说他的需求很“简单明确” ： 2022-2-27 Institute of Computer Software Nanjing University 13 Employee information Hours worked Produce Paychecks Paychecks