In an extractive economy, such as the Belgian Congo and its successor state, Zaire, a narrow elite seizes power and USES its control of resources to prevent social change.

在像比属刚果(Belgian Congo)及其继承国扎伊尔(Zaire)这样的掠夺性经济体系中，一位目光短浅的社会精英会夺取权力并利用权力对资源的控制来阻止社会变迁。

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There is strong interest from Indian investors in the power, steel, and extractive industries.

WHITEHOUSE: The White House

He fixes the drones that protect earth's only remaining industry, a vast extractive operation that's supposedly providing power for an ongoing human migration to Titan, Saturn's largest moon.

WSJ: Oblivion: Earth, Plot in Ruins | In the House | Film Reviews by Joe Morgenstern

At first, cyclical tools appear to be lower-power, slower-growth, and more expensive than extractive tools.

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