By using TABLE instead of LI to implement an item, you can have complex items.

通过使用TABLE而不是LI来实现列表项，可以建立复杂的列表项。

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The logical model for complex item types can also include helper classes, and items can have properties that refer to helper objects.

复杂项类型的逻辑模型还可以包括helper类，并且项可以具有引用Helper对象的属性。

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The details of the complex item could, for example, be represented with an XML data structure and subsequently serialized into a string.

例如，可以用一个XML数据结构表示复杂条目的细节，然后将XML数据结构序列化成字符串。

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These games featured more complex world-building and item juggling than iPhone apps typically offered.

FORBES: iPad App Revenue Catching up with iPhone Faster than Expected