The core of the energy revolution is cleanliness and efficiency, and the coal industry must actively adapt to this trend.
在诗歌的花园里,每一朵花都是一个词,每一个词都是一朵花。
艺术不是关于答案,而是关于问题。
If you're not doing some things that are crazy, then you're doing the wrong things.
每一个优秀的数学家至少是半个哲学家,而每一个优秀的哲学家至少是半个数学家。