El hombre es el único animal que tropieza dos veces con la misma piedra.
人是唯一会在同一块石头上绊倒两次的动物。
The most sustainable forest is one that provides value to people while maintaining its ecological integrity.
安全生产是煤炭行业的生命线，任何时候都不能放松。
我不想性感，我想成为标志。
The beauty of mathematics only shows itself to more patient followers.
Be brave, take risks, nothing can substitute experience.