返回的作业程序问题联合工作组的英文

joint working grouon the operational procedures of returns

• 返回:    return; go back; r ...
• 的:    4次方是 The fourth po ...
• 作业:    school assignment
• 程序问题:    point of order
• 联合:    unite; ally
• 工作组:    working team; work ...