Tariffs, quotas, and other regulations used by one country to discourage the importation of certain goods.

一个国家为阻碍某些产品的进口所采用的关税、配额和其他规定。

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In order to create an environmentally friendly and safe world, it is necessary for each country to set vehicular quotas and limit the permits in number to control regional air pollution.

为了创造一个有益于环保和安全的世界，每个国家都有必要定出汽车限额，并限制发放许可证的数量，以控制地区的空气污染。

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The evidence from Norway, the first European country to impose strict quotas, suggests that compulsion has been bad for business.

来自挪威（第一个实施严格的定额制的欧洲国家）的证据显示，强制对商业来说并不是一件好事。

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After rich-country quotas that kept out developing countries' garment exports were abolished in 2004, Indian textiles were expected to boom.

ECONOMIST: Indian textiles

While Chinese officials boast the country has met its grain production quotas for six years straight, consumption is rising at about 5 billion kilos a year and production was close to consumption last year at 530 billion kilos.

FORBES: Grain's The New Oil, SocGen's Grice Says

Poor countries are right to demand cuts in rich-country tariffs and the lifting of their quotas, but should they reciprocate?

ECONOMIST: The Mexican marathon