名词
中文翻译：纯利润
同义词：
['net profit', 'gross profit', 'earnings']
例句：
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1. The company's net profit increased by 20% last year.
去年公司的净利润增长了20%。
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2. The investment yielded a good return on investment.
投资的回报率很高。
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3. The business has been operating at a net loss for the past three years.
这三年公司一直处于亏损状态。