生产力是推动人类文明前进的动力，其表示的是人与自然的关系。
Productivity is the power of promoting human civilization, which represents the relationship between human and nature.
先进文化是人类文明进步的结晶，是推动人类社会前进的精神动力和智力支持。
The advanced culture is the crystal of mankind's civilization, and is the spirit motive force and intelligence supporting to push the mankind society on.
在最为抽象的层面上，永不满足的精神构成了推动人类文明在整个人类历史长河中前进的力量所在。
On the most abstract level, the spirit of dissatisfaction constitutes the very force that has propelled human civilization forward in the course of human history.
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