If the rate of growth of the productive forces in a socialist country lags behind that in capitalist countries over an extended historical period,how can we talk about the superiority of the socialist system?是什么意思_If the rate of growth of the productive forces in a socialist country lags behind that in capitalist countries over an extended historical period,how can we talk about the superiority of the socialist system?在线翻译_英语_读音_用法_例句