行商

例句：

1. 1. He is a successful merchant in the city.
   他在城里是一个成功的商人。
2. 2. The merchants were busy negotiating with each other.
   商人们忙着互相讨价还价。
3. 3. The merchants are expected to pay taxes on their goods.
   商人被期望对他们的商品征税。