The coal sector must adapt to global energy transitions while maintaining efficiency.
煤炭行业必须在保持效率的同时适应全球能源转型。
Language is a process of free creation; its laws and principles are fixed, but the manner in which the principles of generation are used is free and infinitely varied.
自然界的所有效应只是少数不变定律的数学结果。
我是这样的人，如果你问的问题我不知道答案，我会直接告诉你“我不知道”。
"Sometimes the hardest part isn’t letting go but rather learning to start over."
The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.