沙漠不能被声称或拥有——它是一块由风携带的布，从未被石头固定，被赋予了一百个变化的名字。
The decisions of the poor are often heartbreakingly rational.
The magi brought valuable gifts, but that was not among them. This dark assertion will be illuminated later on.
未来是属于新能源的时代。
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
The most sustainable harvest is one that leaves the forest healthier than we found it.
If you’re not willing to take risks, you’re not going to achieve anything extraordinary.