Now you need a class to handle marshalling.
现在需要一个类处理编组。
TINA: I don't need a class. I can sing. My mother says I sound great.
蒂娜：我不需要上歌唱班，我会唱歌，我妈妈说我唱的很好。
Once you have the object represented in a class, you next need a class to manage it.
在一个类中表示对象后，接着还需要一个类来管理该对象。
When you create a domains specialization, the new elements still need a class attribute, but should start with a "+" instead of a "-".
创建领域专门化时，新元素仍然需要class属性，但是应该以“+”而不是“-”开始。
If I need a class that does two things, I write two classe and a small controller class that calls them.
如果我需要一个做两件事情的类，我会写两个类和一个小的控制类来调用它们。
If I need a class that does two things, I write two classe and a small controller class that calls them.
如果我需要一个做两件事情的类，我会写两个类和一个小的控制类来调用它们。
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