对于状态机响应的每个操作或事件，都使用属性别名来确定与每个已定义的相关性属性对应的输入的位置。
For each operation, or event, that the state machine responds to, a property alias locates the input that corresponds to each defined correlation property.
根据产品在位置层次结构中的位置不同，产品有不同的与税收相关的属性。
Depending on where the product is placed into a location hierarchy, it has a set of different tax-related attributes.
文件的真实名称放在了一个属性文件里，以便 plugin.xml 根据位置找到相关的内容文件。
The real file name is put in a properties file so that plugin.xml can find the corresponding content file according to locale.
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