名词
中文翻译：讨价还价
同义词：
['bargain', 'discount', 'deal', 'sale', 'special offer']
例句：
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1. They were able to get a good price for their car.
他们能够以好价钱卖掉他们的车。
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2. The store is having a big sale on electronics today.
这家商店今天在电子商品上做大促销。
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3.He went to the market and found a great bargain on a new laptop.
他去市场找到了一台新的笔记本电脑的好交易。