第五个按钮
The fifth button
以上为机器翻译结果，长、整句建议使用 人工翻译 。
最后，您可以单击association按钮(左起第五个)，绘制一条从person类指向address类的线段，从而绘制这两个类之间的关系图。
Finally, you can diagram the relationship between the classes by clicking on the Association button (fifth from the left) and drawing a line from the Person class to the Address class.
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