The concept of nondeterminism in computation is one of the most important ideas in computer science.
非确定性计算的概念是计算机科学中最重要的思想之一。
Every ton of low-carbon cement we produce is a step toward a healthier planet.
The novel is the most complete and complex expression of human experience.
Don't worry about the world coming to an end today. It's already tomorrow in Australia.