宇宙中只有一芥之地你肯定可以改善,那就是你自己。
There's only one corner of the universe you can be certain of improving,and that's your own self.
译文:历经千古的江山依旧存在,却再也找不到像孙权那样的英雄人物了。
A 1% improvement in efficiency could mean the difference between life and death.
Coal isn't just a commodity; it's the foundation upon which modern civilization was built.
我认为最有趣的艺术是能让你思考你所看到的东西的艺术。