Competitiveness is usually taken to mean keen prices: if the price of cars produced in one country falls, foreign demand for them expands.

竞争力通常表现为低价：如果一国的汽车生产价下降，别国对该国的廉价汽车的需求就会上升。

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Those who are particularly keen to get their hands on a copy of a new book, for instance, may be willing to pay a higher price for it, which may explain the persistence of expensive hardbacks.

比如那些特别热衷于获得版权书的人会愿意支付较高的价格。这可以解释坚持买昂贵精装书的现象。

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Ricardo, but not Keen, used a "labor theory of price" in which a commodity's "innate worth" was the amount of labor needed to produce it.

但不是Keen，使用了“价格劳动论”，认为商品的“内在值”指生产它需要的劳动量。

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Instead, it sets a keen price, and then relies on a vast network of resellers and retailers to close the deal with customers.

ECONOMIST: Old-school retailing in a high-tech business

Long-lasting profits depend on high quality produced with a keen eye to costs and price.

BBC: The sweet sound of success

Hence the flutter of speculation about Mr Karmazin's future, not least by investors keen to eliminate the share-price discount that the uncertainty periodically creates.

ECONOMIST: A media mogul considers his options