真正的可持续性意味着为子孙后代留下比我们发现时更好的土地。
We have to be prepared to take some risks, but they must be calculated risks.
History is not the past. It is the present. We carry our history with us.
追求高效算法的核心是一项数学努力,它挑战了我们对复杂性和可计算性的理解。