哈哈哈，古惑仔呀！

来源: 于 2022-03-07 22:43:18 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

让我想起一个笑话，大致是:

Theory is when you know everything but nothing works. Practice is when everything works but no one knows why. In our lab, theory and practice are combined: nothing works and no one knows why.