bargain purchase

例句：

1. 1. They were ableto negotiate a better deal for the house.
   他们成功地为房子争取到了更好的交易。
2. 2. Thestore had a big sale on electronicstoday, so I bought a new laptopat a bargain price.
   今天商店对电子产品有大促销，所以我以便宜的价格买了一台新的笔记本电脑。
3. 3. He went to the marketand bought some vegetables for his family witha discount.
   他去市场买了一些蔬菜，用折扣价给家人。