According to the theory of comparative advantage, China should be a net importer of grain.

按照比较优势理论，我国应净进口粮食这一土地密集型产品。

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Just like other economic theory, the theory of comparative advantage has deficiencies consequentially.

正如其他经济理论一样，比较优势理论必然存在缺陷。

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The theory of comparative advantage is largely the basis for the typical economist's belief in the benefits of free trade.

“比较优势理论”是有“自由贸易”信仰的经济学家的主要基础。

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At first blush, real-world trade patterns would seem to challenge the theory of comparative advantage.

ECONOMIST: Trade winds | The

But they do not overturn the fundamental insight of the theory of comparative advantage.

ECONOMIST: Trade winds | The

In essence, the theory of comparative advantage says that it pays countries to trade because they are different.

ECONOMIST: A short tour of economic theory