selling retail department

例句：

1. 1. The company is selling its latest product at a discount.
   该公司正在以折扣价销售其最新产品。
2. 2.They are selling their house to buy a bigger one.
   他们正在卖房子买更大的。
3. 3.We need to sell the old car and buy a new one.
   我们需要卖掉旧车并买一辆新车。