The import taxes had been set high to protect American industries from foreign competition.

征收高额的进口关税是为了保护美国的民族工业免受外国产品的竞争。

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From the 1920s onward, American films so monopolized the international film market that severe import restrictions were imposed on everywhere to protect domestic film industry.

从20年代起，针对美国电影对国际电影市场的垄断，世界各国制定了严格进口法，以保护国内电影业。

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The import taxes had been set high to protect American industries from foreign competition.

VOA: special.2010.04.29

The hikes were based on an exemption in the Mercosur trade agreement, a customs union made up of Brazil, Argentina, Chile, Uruguay and Paraguay, that allows those countries to protect domestic markets from import competition in times of economic weakness.

FORBES: Weak Economy Pushes Brazil To Protectionism

The UK is considering imposing an import ban on eggs from hens kept in battery cages to protect domestic producers, a peer has said.

BBC: Battery caged hens egg import ban considered

On September 4th the government announced a year-long rise in import tariffs on 100 goods, ranging from tyres to medicines, to protect Brazilian manufacturers.

ECONOMIST: The president cuts taxes again