In many cases today, using aspects to extend another library is working from a fairly inconsistent or undocumented definition of what events occur in the system life cycle.

• 在今天的许多案例中,使用方面来扩展另一个库是在对发生在系统生命周期中的事件存在相当不一致的或无文档记录的定义的情况下进行的。