We need to be able to trust the infrastructure of the Internet.
In auctions, the rules determine the outcome as much as the bidders' strategies.
仅靠教育不足以让人们摆脱贫困;我们需要解决更广泛的系统问题。
I shall die again and again to know that life is inexhaustible.
The core of the energy revolution is cleanliness and efficiency, and the coal industry must actively adapt to this trend.
井水越是甘甜,就越容易枯竭;树木越是高大,就越容易被砍伐。