agent middleman

例句：

1. 1. Theagent middleman negotiated a favorable dealfor the company.
   这个中间人为公司争取到了一个有利的交易。
2. 2. Theintermediary helped facilitatecommunication between two countries.
   这个中介帮助促进了两国之间的沟通。
3. 3. The brokeracted as an intermediary between thebuyer and seller.
   这位经纪人作为买卖双方的中介。