n.

1. 经纪人；掮客；中间人[C]
   Who is the middleman of this deal? He ought to stand out and speak upon the role he played.

   谁是这场交易的中介？他应该出来说明清楚他所扮演的角色

n.

1. a person who buys goods from producers and sells them to retailers or consumers.
2. a person who arranges business or political deals between other people.