From this output we can see that our mediation was called and successfully inspected the incoming message, pulling out the operation details and the string value that we passed in.

通过这个输出，我们可以了解到已调用了中介，并成功地检查了传入消息，同时提取出了操作详细信息和我们传入的字符串值。

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But when she opened the last box, she froze. The color drained from her face, and she reached inside the box with both hands, pulling out a string of pearls.

但当她打开最后一个盒子的时候，她愣住了，脸色一下子变白了，她两只手都伸进了盒子里，捧出一串珍珠。

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