Instead, it just creates the property description when needed.

而是在需要时创建属性描述。

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When the connector needs to add a system property to a Content object, it will first look up the property description from the global item class.

当连接器需要将一个系统属性添加到Content对象中时，它首先从这个全局条目类查询属性描述。

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Finally, the third kind of property in the example connector, the ad-hoc property, gives no way of determining what the property description should be.

最后，对于示例连接器中的第三种属性——专用属性，无法判断属性描述应该是什么。

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About 10.7% of all homes not in foreclosure in the U.S. currently for sale were built between 1970 and 1979, according to real-estate website Trulia, which analyzed listings that contained a home's build date in the property description.

WSJ: The Return of That '70s House

Certainly, Simon Property fits this description.

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Regulation Section 1.170A-13(c)(3)(ii) requires a qualified appraisal to include a description of the property in sufficient detail for a person who is not generally familiar with the type of property to ascertain that the property that was appraised is the property that was (or will be) contributed.

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