chairmen
The chairman of a committee, organization, or company is the head of it.
Glyn Ford is chairman of the committee which produced the report.
格林·福特是撰写该报告的委员会的主席。
The chairman of a meeting or debate is the person in charge, who decides when each person is allowed to speak.
The chairman declared the meeting open.
主持人宣布会议开始。