权变理论

contingency theory的用法和样例：

例句

Contingency theory thus combines elements of technological and social determinism.因此，权变理论融合了科技和社会决定论的元素。

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疯狂英语易背作文

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王强英语美文

NPR 2010-06-26

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2010年NPR美国国家公共电台6月

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越狱第一季

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纯正地道美语

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2007年VOA标准英语（八月）

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BOGOTA, May 2 (Xinhua) -- Colombia's second largest guerrilla group blasted a main oil pipeline on Friday, causing oil spill in the northeastern region, local media reported. The rebel National Liberation Army (ELN) attacked the Cano Limon-Covenas pi

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流行英文歌曲

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THE flow of oil from cracks in the seabed off the coast of Rio de Janeiro has long since slowed to a mere trickle. Not so the retribution against Chevron, an American oil company that was drilling in the Frade oilfield on November 7th when a sudden r

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经济学人综合

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OMG美语

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