It takes minutes for anybody to learn what these patterns represent here, but years of experience in cyber to learn what those same patterns represent in ones and zeros.
任何人只需学习几分钟， 就可以知道这些图案式样的含义。 但若从0和1中理解其含义需具备数年的网络技术经验。 这一个片段代表联系人名单中 小写字母挨着小写字母。