The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.
数据是一个组织最有价值的资产,而关系模型确保了其完整性和可访问性。
Everyone is worthy of love, except him who thinks that he is.
Sustainability isn't a choice—it's our responsibility to future generations.
El hombre es el único animal que tropieza dos veces con la misma piedra.