名词中文翻译
中文翻译：百分之几
同义词：
['percentage', 'fraction', 'part']
例句：
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1. The price of the car is 20000 dollars, which is 20% of the total cost.
这辆车的价格是2万美元，占总成本的20%。
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2. The teacher asked the students to calculate the percentage of their homework completed.
老师要求学生们计算他们的作业完成百分比。
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3. The company's profits increased by 5% compared to last year.
与去年相比，该公司的利润增加了5%。