原文：市场经济取代计划经济，极大地解放了生产力。译文：Replace the planned economy with the

原文：市场经济取代计划经济，极大地解放了生产力。
译文：Replace the planned economy with the market economy has greatly liberated the productive forces.
改译：
【正确答案】：The replacement of the planned economy with the market economy has greatly liberated the productive forces .（考点：主语的正确翻译）