It is necessary to ensure that any changes made to the data by the workflow environment are copied back to the business objects used by the main processing path.
需要确保工作流环境对数据所作的任何改变被复制回由主处理路径所使用的业务对象内。
Eager loading means that Rails will automatically perform the necessary queries to load the object of any specified child objects.
立即加载意味着Rails将自动执行所需的查询来加载任何特定子对象的对象。
Your new class can be made up of any number and type of other objects, whatever is necessary to achieve the functionality desired in your new class.
你的新类可以由任意数量和类型的对象组成，只要这些成员可以满足新类的功能需求。
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