普通话是一种全民性的社会交际工具。推广普通话对维护中华民族统一、增强各民族、各地区之间交流以及加快现代科技发展都具有十分重要的意义。学校是传播人类文化知识的摇篮,商业学校更是传播商业礼仪精神文明的窗口。商业学校的学生除应具有所学专业的基本知识和技能外,还必 Mandarin is a universal social communication tool. The promotion of Putonghua is of great significance to safeguarding the unification of the Chinese nation, enhancing exchanges among all ethnic groups and various regions, and accelerating the development of modern science and technology. The school is the cradle of disseminating the knowledge of human culture, and the commercial school is the window of spreading the spiritual civilization of business etiquette. Business school students in addition to having the basic knowledge of professional knowledge and skills, but also will