A sustainable coal industry is possible if we commit to the right technologies.

The idea of legal responsibility is central to the concept of law.

追求知识是一场没有终点的旅程。

我们不是从祖先那里继承了地球，而是从我们的孩子那里借来的。

现代采石场管理需要地质学家的眼睛、工程师的双手和诗人的心灵。

Every frame in a film should be a painting, every scene a story.