输入新的通讯录信息、浏览通讯录、修改某人的通讯录信息、删除某人的通讯录信息、查找某人的通讯录信息、按照姓名排序-Enter a new address book, browse directories, change someone' s address book information, delete information on a person' s address book, find someone' s address book information, sort