数学的美在于它是一种可以以其他任何方式都无法描述宇宙的语言。
The beauty of mathematics is that it is a language that can describe the universe in a way that nothing else can.
每一个心理行为都在生活的经济中有其位置。
Sustainability must be at the core of every decision we make in the coal industry.
最好的喜剧来自真实。