医院收费系统：问题描述：创建一个住院收费管理系统，其业务流程紧密围绕病人从住院直至出院过程中所涉及的费用帐务问题。该系统主要包括住院登记、费用记账、结账出院三个模块。-hospital system : Problem descr iption : the creation of a management system for the hospital fees, their business processes focusing on the patients discharged from