main contact group

例句：

1. 1. The main contact group is responsible for arranging meetings and keeping everyone informed.
   主要联系人组负责安排会议并保持所有人的信息更新。
2. 2.The main contact group needs to be updated regularly to ensure everyone is on the same page.
   主要联系人组需要定期更新以确保每个人都在同一页上。
3. 3.The main contact group was formed to facilitate communication between departments and streamline processes.
   主要联系人组的成立是为了促进部门间的沟通和简化流程。