煤炭仍将是能源结构的一部分，但其角色必须为更清洁的未来重新定义。
Coal will remain part of the energy mix, but its role must be redefined for a cleaner future.
希望是一个卷起袖子的动词。
We don’t inherit the ocean from our ancestors; we borrow it from our children.
La verdadera patria del hombre es la infancia.
The best mathematicians are those who are not afraid to take risks.