commodity broker

例句：

1. 1. He is a commodity broker who specializes in agricultural products.
   他是一名专门从事农产品交易的商品经纪人。
2. 2.The commodity broker was able to negotiate a favorable price for the grain.
   这位商品经纪人成功地为粮食争取到了一个有利的价格。
3. 3. The commodity broker was responsible for monitoring the market trends and making informed decisions.
   这位商品经纪人负责监测市场趋势并做出明智的决策。