n. an active and efficient cause; capable of producing a certain effect
n. a representative who acts on behalf of other persons or organizations
n. a substance that exerts some force or effect
n. a businessman who buys or sells for another in exchange for a commission
n. 代理商, 政府代表, 动原, 媒介
[计] 代理程序
1. The travel agent booked our flights and hotel for the vacation.
旅行代理人为我们的假期预订了航班和酒店。
2. He works as an agent for a big real estate company.
他在一家大型房地产公司担任代理人。
3. The secret agent gathered important information for the mission.
这位秘密特工为任务收集了重要信息。