名词
中文翻译：小费
同义词：
['tip', 'change', 'coin']
例句：
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1.He gave me a $20 nickey as a tip.
他给了我20美元的小费作为小费。
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2.I dropped my change on the ground and picked it up to pay for the coffee.
我把零钱掉在地上捡起来付咖啡的钱。
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3. The waiter gave her a big smile and handed her a nickey.
服务员向她微笑着，递给她一个硬币。