她更可能会成为一个接线员，给巴黎，伦敦，柏林，马德里，华沙传递消息。
She will, rather, be the switchboard operator, passing messages on to Paris, London, Berlin, Madrid, Warsaw...
序列从左上角开始，客户传递一个消息给teller对象。
The sequence starts at the top left, with the customer sending a message to the teller object.
分析(并替换，如有必要)完消息中所有的词后，控制消息返回给即时消息传递客户机，以便呈现给用户。
After all the words of the message have been analyzed (and replaced if necessary), control returns to the instant messaging client for presentation to the user.
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