director of teaching affair

例句：

1. 1. The director of themuseum is responsible for the safety and securityof all visitors.
   博物馆的主管负责所有参观者的安全和保障。
2. 2. The directorof the company has beenappointed to lead a new project.
   公司主管已被任命领导一个新项目。
3. 3. Thedirector of the department will be attending theconference as a guest speaker.
   该部门的主管将作为嘉宾演讲者出席会议。