煤炭的未来取决于经济增长与环境保护之间的平衡。
In mathematics, you don't understand things. You just get used to them.
"Silence is the only language that cannot be misinterpreted."
成长是痛苦的,但没有什么比停滞不前更痛苦。
最好的营销策略是产品足够好,以至于它能自我营销。
You even harvest the whole world, if no one to share with you, you will feel sad.
Freedom of speech is the great bulwark of liberty; they prosper and die together.