Comparative Advantage: This is the ability of one individual, or country, to produce a good or service more efficiently (i.e. at a lower cost) than another.

比较优势：这是一个个人或者说国家比他者更有效地生产一种物品或服务的能力(例如以更低的价格)。

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To promote industrial upgrading to seek breakthrough of "comparative advantage trap" featured by low-cost labor force.

加速产业升级，以寻求打破以廉价劳动力为特色的“比较优势的困境”的突破口。

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Comparative advantage — a comparative advantage prevails for products which have the lowest opportunity cost price takers.

相对优势——对最低机会成本价格购买者产品有优势的相对优势。

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If another country has a comparative cost advantage, we gain from exchanging such products for those we produce relatively more efficiently.

WSJ: Michael Boskin: Washington's Knack for Picking Losers

Just as MarketMind says the law of comparative advantage has never been so appropriate, so I say that mass union disruption is a practice that will cost, not save jobs.

FORBES: Labor Pains