Sent_en: 2zh The assistants set up rooms, call registrants, collect fees, keep stats of classroom data/participants, file, they also are answering phones, training and leading seminars.
Sent_yy: “助理们设置房间，呼叫注册人，收取费用，保存教室数据和参与者的统计数据，文件，他们还接听电话，培训和领导研组织讨会。”