个人帐簿管理系统记录某人每月的全部收入及各项开支情况，进入系统后可以输入和修改某月的收支情况，可以对每月的开支从小到大进行排序，可以根据输入的月份查询每月的收支情况。-Personal book management system records a person s monthly income and the various expenses, into the system can enter and modify a month s income and expenditure situ