1. 出席者：请 收件者:(addressee)任何形式的电子邮件收件者或会议邀请的收件者 出席者:(attendee)包含于约会或者会议中的人员 所有最上层的对象都有两个重要的共同接口(interface) Iconfiguration:用来定义可以应用于多个对象的行为模块,

2. 参会者：meeting revenues集会收益 | attendee 参会者 | delegate 集会代表

3. 出席者,在场者：Administrative:行政的 | Attendee:出席者,在场者 | Advocate:提倡,拥护

4. 出席者,参加者,在场者：attended || 从事 | attendee || 出席者,参加者,在场者 | attending || (医生)主治的

1. 出席者；参加者；在场者
    The attendees at something such as a meeting or a conference are the people who are attending it.

    e.g. Only one-half of the attendees could fit into the large hall at any one time.
           这个大厅一次只能容下一半的出席者。

1. a person who is present and participates in a meeting

    e.g. he was a regular attender at department meetings
           the gathering satisfied both organizers and attendees

    Synonym: attendantattendermeeter