This paper describes a microcomputer local-network hotel management system, which is now operating in Xiyuan Hotal, Beijing.

本文介绍了一个正在北京西苑饭店运行和使用的饭店计算机管理系统。

Each day he sold subscriptions more than he had sold on the previous day, and on the eighth day he reached a hotal of exactly 100 subscriptions.

男孩每天都比前一天都买三份杂志，在第八天的时候，他刚好卖出100份的杂志。