The data we store in each menu item object is an array containing only one element: the name of the category.

我们储存在每个菜单项对象中的数据是一个仅包含一个元素的数组：类别名。

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The one line of code in the class body of Order defines its relationship to the Item object.

在 Order类体中有一行代码定义了它与 Item对象的关系。

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Mr. MEAD: Well, I guess, whatever the object is, or the item, I always try to re-envision it as two or three other things.

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When the rubber sack makes contact with an object, whether a glass, a pen, or other hard item, a narrow inner tube sucks a small percentage of air out of the sack, making it contract and conform to the shape of the object it touches.

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It designates an object as a photo, or the name of a well-known band, or an item in a holiday wish list, and so on.

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