回头看一看图1，我们不仅需要确保使用中介正确地转换消息格式，而且还必须考虑如何将消息路由到正确的地方。

Looking back at Figure 1, not only do we need to make sure that the message formats are converted properly with mediations, but we also have to worry about routing messages to the right place.

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记录器把拦截的消息的格式转换成标准的格式，然后把它们写出到消息日志中。

The logger formats the intercepted messages into a standard format and then writes them out to a message log.

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因为不需要解释或转换，原生格式消息使用的时间最短，空间最少。

With no interpretation or transformation, the native format message has the shortest time and uses the least amount of memory space.

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