We can call the relation of monopolized to competitive productive activities a core-periphery relationship.

这种被垄断了的竞争性生产活动关系，我们称之为核心—边缘关系。

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In Europe, the frustration has been building for months, spreading from the continent's periphery to the core economies of Spain and Italy.

在欧洲，失望之情已经积累了数月，正从欧洲大陆的边缘国家扩散至西班牙和意大利等欧元区核心经济体。

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Is the difference between core and periphery a problem?

核心国和边缘国之间的经济差异是个问题吗？

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There is also disturbing evidence that the weakness in the so-called periphery countries has spread to the 'core' - not just France, where the index reflecting new manufacturing orders fell to its lowest level since 2009, but also to Germany.

BBC: No quick fix for Euro - maybe a slow one?

What it does is, Owen argues, leave the periphery floundering while over-pressuring the core economies.

BBC: Tick, tock: The risks of depositor flight in Greece

Britain used to fear languishing on the EU periphery while a core of true believers raced towards ever-closer union.

ECONOMIST: Britain and Europe: No laughing matter | The