名词
中文翻译：经济速度
同义词：
['economic growth rate', 'economic efficiency', 'economic productivity']
例句：
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1. The government is promoting economic growth by investing in infrastructure.
政府通过投资基础设施来促进经济增长。
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2. The company's economic growth rate has been declining in recent years.
该公司近年来的经济增长率一直在下降。
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3. Economic efficiency is crucial for sustainable development.
经济效率对于可持续发展至关重要。