If we consider merely bodily labour as the cause of wealth,how can we then explain why modern nations are incomparably richer,more populous,more powerful,and prosperous than the nations of ancient times?是什么意思_If we consider merely bodily labour as the cause of wealth,how can we then explain why modern nations are incomparably richer,more populous,more powerful,and prosperous than the nations of ancient times?在线翻译_英语_读音_用法_例句