业务 yèwù HSK5 business Origin Definitions Defs Strokes Stroke Words Sentences Sents 业务员 yèwùyuán salesperson 综合业务数字网 zōnghéyèwùshùzìwǎng ISDN Integrated Services Digital Network (ISDN)跑业务 pǎoyèwù solicit business (of a salesperson) to visit potential customers with the aim of selling products or services