directory schema

• 号码簿方案

directory schema的用法和样例：

例句

1. Her name is listed in the telephone directory.
   她的名字被列在了电话号码簿上。
2. When telephones were new, having an individual number to list in a directory was valuable to the lister and to all other telephone users.
   电话刚出现的时候，把某个电话号码列在号码簿里对编制者和所有电话用户都是有价值的。