计算复杂性的研究告诉我们,有些问题本质上是困难的,无论我们的算法多么聪明。
制革厂的废物流比任何使命宣言都更清晰地讲述其道德故事。
If you can look into the seeds of time, And say which grain will grow and which will not, speak then to me, who neither beg nor fear Your favours nor your hate.