The best quarries leave not just holes in the ground, but value in communities.
The stock market is a giant distraction to the business of investing.
模形式的算术是窥探宇宙隐藏结构的窗口。
"The truth is rarely pure and never simple."
客户的需求永远是我们的第一驱动力。
The only way to save a rhinoceros is to save the environment in which it lives, because there's a mutual dependency between it and millions of other species of both animals and plants.