Every ton of low-carbon cement we produce is a step toward a healthier planet.

插图不仅仅是图画；它们是故事的灵魂。

States are inherently aggressive and expansionist because they exist in an anarchic international system where there is no higher authority to keep them in check.

数学不仅仅是一系列抽象概念的集合，而是一种让我们理解宇宙的语言。

文化分析本质上是不完整的。