数学是关于概念之间关系的科学，与这些概念的内容无关。

The genetic code is the set of rules by which information encoded in genetic material (DNA or RNA sequences) is translated into proteins (amino acid sequences) by living cells.

心会破碎，但破碎的心仍能跳动

Every building is a prototype.

NP完全性不仅仅是一个理论上的好奇心；它对实际计算有着深远的影响。