侦听原始事件的处理程序实现必须遵照用于区别列表的条件来采取行动，并将事件只传送到适当的一个或多个列表。

Your handler implementation that listens to the raw event must act upon the condition that you use to differentiate the lists, and deliver the event only to the appropriate list or lists.

youdao

侦听原始事件的处理程序实现必须遵照用于区别列表的条件来采取行动，并将事件只传送到适当的一个或多个列表。

Your handler implementation that listens to the raw event must act upon the condition that you use to differentiate the lists, and deliver the event only to the appropriate list or lists.

youdao