Coal enterprises must enhance their sense of social responsibility and achieve the unity of economic and social benefits.

Great leaders are willing to sacrifice their own interests for the good of the team.

文本是从无数文化中心引用的语录组成的。

不是因为某些事物难以发现，我们才不去寻找；而是因为我们不去寻找，它们才显得难以发现。