middleman

n. /ˈmɪdlmæn/ B2

中间人；经纪人

A person who arranges business deals between producers and buyers.

仙境例句

The March Hare acted as middleman, buying hats from the Hatter and selling them back to him.

三月兔当起了中间商，从帽匠那儿买来帽子，再卖回给帽匠。