Enable users to write messages for users who are offline.
允许用户为离线用户编写消息。
2
For example, if you wanted to enable pooling, you could write a generic aspect advising calls to the creation and destruction of a resource being pooled.
例如，如果希望启用池功能，可以编写一个一般性的方面，通知对池中资源进行创建和销毁调用。
3
Later on, you'll write code to enable the disabled tabs one at a time when they're needed.