阐明编写本文档的目的，指出读者对象。

编写本用户手册目的是为了帮助Comm贸易公司人员掌握如何使用人力资源管理系统（HRM），以便确保HRM系统顺利运行。

文档阅读对象：人力资源管理系统（HRM）的用户、测试人员。

-Clarify the purpose of preparing this document, that audience. The preparation of this manual is intended to assist Comm trading company personnel in the use of human resources management system (HRM), in order to ensure the smooth operation of HRM systems. Read the document object: Human Resources Management System (HRM) of users, testers.