mainstay of the economy

farming, a mainstay of the economy, is also being liberalised.

农业这一经济的支柱也被自由化了。

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the manufacturing industry is mainstay of the economy creating human wealth, but it is the mostly headstream of the environment pollution.

制造业是创造人类财富的支柱产业，但同时又是环境污染的主要源头。

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the pursuit of yukos also transferred a mainstay of the economy from what had become an efficient private business to opaque state control.

对尤克斯的打击也使得一个经济的中流砥柱，从一个效率很高的私人企业落入不透明的国有控制之下。

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china now has become a mainstay of the economy development.

已成为我国现经济发展的一个主要支柱。

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keeping public ownership as the mainstay of the economy and allowing diverse forms of ownership to develop side by side

以公有制为主体，多种所有制经济共同发展

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