If no event handlers processed the click, the event will travel back up the same path until it comes back to the root element, where the default click handler will ignore it.
如果没有事件处理程序处理这个单击事件,它就会沿着同样的路线再返回到根元素,这时根元素默认的单击处理程序将忽略该事件。
Then, sometimes, before we know it, we're already on a path where there's no turning back.
也正因如此,我们有时会在不知不觉中走上一条不归路。
There is no communication path back from the application server machines to the Web server plug-in.
该拓扑中没有一条从应用程序服务器返回到Web服务器插件的通信路径。
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