名词
中文翻译：Unknown
同义词：
['sales', 'purchase', 'transaction', 'buy', 'sell']
例句：
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1.We need to make a sale of our old car to raise some money for the new one.
我们需要卖掉我们的旧车来筹集一些钱买新车。
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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 bought a new car at a good price and sold it for a profit.
他以好价钱买了一辆新车，然后以利润卖出了。