be absent on business

• 因事缺席

be absent on business的用法和样例：

例句

1. President Justin Yu presented the Volunteer Spirit Award to Mr. Kwok Sum Fung, a Naturalization Program volunteer who was absent in the Asian Heritage Month event.
   于金山主席将本年度亚裔传统月的义务精神奖补颁给当日因事缺席的入籍服务义工冯国森先生。