However, if you have two elements where there is no direct parent-child relationship and they do not lie on the same level in the tree structure, their event firing sequence is not fixed.
但是,如果您拥有两个没有上下级关系的元素,而且它们在树形结构中不是同一层次,那么它们的事件引发序列就是不同的。
The interactions are initiated by firing a signal or message that corresponds to some business-domain event.
通过触发对应于某些业务领域事件的信号和消息,来启动交互。
Indeed, after firing an event, the parser forgets about it.
实际上,激发一个事件后,语法分析器就将其忘记。
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