名词
中文翻译：效率
同义词：
['effectiveness', 'productivity', 'efficacy例句：1. The new machine has greatly improved the efficiency of our factory.（新机器大大提高了我们工厂的效率。）2. Efficiency is key to success in any endeavor.（在任何事业中，效率是成功的关键。）']
例句：
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1. The new machine has greatly improved the efficiency of our factory.
新机器大大提高了我们工厂的效率。
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2. Efficiency is key to success in any endeavor.
在任何事业中，效率是成功的关键。
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3.To increase efficiency, we need to streamline our processes.
为了提高效率，我们需要精简我们的流程。