求翻译：近些年来中国经济制度发生了一 系列的理论创新和变革，在公平与效率的 辩证关系上，制定出了“效率优先，兼顾 公平”的原则。是什么意思？

In recent years, China's economic system has witnessed a spate of theoretical innovation and change, in the dialectical relationship between fairness and efficiency, and work out the principle of giving priority to efficiency with due consideration to fairness ".

In recent years, China's economic system has a series of theoretical innovation and change, in a fair and efficient on the dialectical relationship between the "giving priority to efficiency and equity.

Recent year the Chinese economic system has had a series of theory innovation and the transformation, in fairly with in the efficiency dialectical relations, formulated “the efficiency first, the proper attention to both was fair” principle.

In recent years a series of theoretical innovation and transformation of the Chinese economic system, on the dialectical relation between fairness and efficiency, the development of a "giving priority to efficiency with due consideration to fairness" principle.

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