But none of these scars were fresh. They were as old as erosions[侵蚀] in a fishless desert. Everything about him was old except his eyes, and they were the same color as the sea and were cheerful and undefeated.
但是这些伤疤中没有一块是新的。它们像无鱼可打的沙漠中被侵蚀的地方一般古老。他身上的一切都显得古老,除了那双眼睛,它们像海水一般蓝,是愉快而不肯认输的。
字符串是一个严格的数据结构,在传递字符串的任何地方都存在很多重复的过程。它是隐藏信息的理想工具。
郦波在讲座中引用苏格拉底的话并加以阐释
The scientist is not a person who gives the right answers, he's one who asks the right questions.