名词
中文翻译：零头
同义词：
['tail', 'remainder', 'fraction']
例句：
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1.The price is 50 dollars,but there's a 10% discount on the zero head.
价格是50美元，但是零头有10%的折扣。
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2. Thesalesman gave me a10% discount onthe zero head.
销售员给了我零头10%的折扣。
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3. The totalcost of the goods is $100, but the zero head is $98.
商品的总价是100美元，但零头是98美元。