No modification of this Guaranty shall be effective for any purpose unless it is in writing and executed by an officer of Buyer authorized to do so.

非经书面并由一名经授权的买方工作人员执行，为任何目的对本担保书所作的变更均无效。

youdao

Before knowing if a user is authorized to do a particular operation, DB2 must be able to know the effective database authorization ID of the external user, and in which groups that user belongs.

在获知用户是否被授权进行特定操作之前，DB 2必须能够获知外部用户的有效数据库授权ID及其所属的组。

youdao

You do, however, need to be authorized for the target node or deployment manager.

但是，您需要获得目标节点或部署管理器的授权。

youdao

The fundamental question is how to ensure that the person (or computer or thing) presenting himself is, indeed, the one that he claims to be, that he is actually authorized to do whatever he claims the right to do, and that he cannot refute the result of these determinations.

ECONOMIST: Fake ID cards

It now falls to him to do just that by announcing forthwith that Aegis ships are authorized to perform this function and will be swiftly equipped with improved capabilities to do so.

CENTERFORSECURITYPOLICY: Bush Really Grows in Office