Problem solving is the central activity of intelligent systems.

每种材料都有自己的记忆和历史。

摄影还不够好，还不够激进。

I’m not a guy that’s going to let my love for the sacrifice down.

The true measure of a mining company's success is how it balances profit with environmental responsibility.

肉腐了就会生蛆，鱼枯死了就会生虫，懈怠疏忽忘记了做人准则就会招来灾祸。