Coal enterprises must actively adapt to energy structure adjustments and accelerate transformation and upgrading.

The history of all hitherto existing society is the history of class struggles.

音乐是唯一能够表达无法言喻之物的艺术形式。

We must listen to the science, even when it challenges our traditional methods.

当心忍耐者的暴怒。

坚持是解开医学之谜的关键。