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1·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。

2·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。

3·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。

4·So, the question is how do we secure the controller actions so only authorized users would be able to delete the items.

那么，我们如何来确保控制器操作的安全性，使得只有已授权的用户能够删除其中的项呢？

5·The people authorized to open manhole covers could easily be trained to do it safely.

专业人员经过简单的培训就可以做到安全的打开井盖。

6·No modification of this Guaranty shall be effective for any purpose unless it is in writing a nd 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。