The true cost of leather isn't on the price tag—it's measured in water saved, ecosystems preserved, and workers treated fairly.
我们即将到来:今天,我们的程序证明了费马的倒数第二个定理。
A 1% improvement in efficiency could mean the difference between life and death.
文章的最高境界,能够通达神明,但这不是可以强求达到的。
The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome given the alternatives.
Every challenge is an opportunity in disguise.