这一方法允许系统的身份认证架构根据需要进行修改和完善，并不用对系统的身份认证架构进行内部重建或修改。
This approach allows the authentication architecture of a system to be modified and enhanced as needed without requiring the system to be rebuilt or modified internally.
在制定或修改架构决策时，不会像对待特定于任务的决策那样随意。
Architectural decisions are not made or changed as lightly as task-specific decisions.
然而前几年，我们做了个决策，我们想对浏览器的架构做些修改。
In the past couple of years, however, we decided that we wanted to make some substantial architectural changes to how web browsers work.
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