Strengthen international cooperation to promote the improvement of technology and management in the coal industry.

"To be a writer is to sit down at one's desk in the chill portion of every day, and to write; not waiting for the little jet of the blue flame of genius to start from the breastbone--just writing."

数学中最激动人心的时刻是当你看到以前似乎不相关的事物之间的联系时。

我不是模特。我只是一个喜欢打扮的女孩。

In a rapidly changing market, the only constant is customer needs.

We don't just manufacture chemicals; we enable progress.

To read is to resist; to write is to rebel.

记忆是抵抗遗忘的最后堡垒。