If the user already exists, the wizard continues its search (db2inst4, db2inst5, and so on) until it finds an available user.

如果该用户已经存在，向导就会继续搜索(db2inst4、db2inst5等等)，直到发现可用的用户。

youdao

If an entry for a user already exists, you can append the entry for abusers by separating it from the previous one using a comma.

如果用户的条目已经存在，那么您可以为不正常的使用者追加相应的条目，使用逗号将其与前面的条目隔开。

youdao

The first error ID is for when a user name already exists in the system.

第一个错误 ID 是用于系统中已经存在一个用户名的情况。

youdao

They take information that already exists in most schools, integrate it into a simple user interface, and graphically display trends in an easy-to-analyze manner.

FORBES: Fixing Education with Big Data: Turning Teachers into Data Scientists?