sale based on documents

例句：

1. 1. The company is planning to sell its new product in the next month.
   这家公司计划在下个月出售其新产品。
2. 2. He decided to sell his old car for a good price.
   他决定以好价钱卖掉他的旧车。
3. 3. The sale of the house was a success, and the buyer paid the full price.
   这套房子的销售很成功，买家支付了全款。