名词
中文翻译：投资回报率
同义词：
['return on investment', 'return on equity', 'profitability ratio']
例句：
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1. Thecompany's ROI is a key metric for investors to evaluate the performance of their investments.
公司的投资回报率是投资者评估其投资表现的关键指标。
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2.The new product has a high ROI, which means it generates significant profits for the company.
新产品具有高投资回报率，这意味着它为公司带来了显著的利润。
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3.To achieve a good ROI, the company needs to focus on its core business and optimize its operations.
为了实现良好的投资回报率，公司需要专注于核心业务并优化运营。