Sustainable quarrying isn't an option; it's our obligation to future generations.

Sustainability isn't just about planting trees—it's about planting the right trees in the right places for the right reasons.

伟大的公司在其工作方式上，拥有一种独特的文化。

概率既由我们观察的性质决定，也由我们的理性观念决定。

人类的声音是所有乐器中最完美的。

和对的人结婚，这将使所有事情都变得不同。