名词
中文翻译：经济理论
同义词：
['economics', 'economic doctrine', 'economic philosophy']
例句：
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1. The economic theory of market competition is widely accepted by economists.
市场竞争的经济理论被经济学家广泛接受。
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2. Economic theory suggests that the government should intervene to prevent a recession.
经济理论表明，政府应该介入以防止衰退。
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3. The economic theory behind this policy has been well-documented in academic research.
这一政策背后的经济理论在学术研究中已被充分记录。