The future of coal lies in clean and efficient utilization.
The best way to learn mathematics is to do mathematics.
我专注于我能控制的事情,我无法控制人们对我的看法或言论。
Ideology represents the imaginary relationship of individuals to their real conditions of existence.
意识形态表现了个体与其真实存在条件之间的想象关系。
书籍是释放我们理解他人的钥匙。