因此处理器是内嵌的，响应消息以反方向传递。

Because handlers are nested, the response message travels in the other direction.

youdao

即，最后一个处理器首先得到响应消息。

That is, the last handler is the first to get the response message.

youdao

即，最后一个处理器首先得到响应消息。

That is, the last handler is the first to get the response message.

youdao