您可以设想更复杂的联系人模式，如添加多个电话号码、地址等。

You could imagine a much more complicated schema for contacts, with things like multiple phone Numbers, addresses, etc.

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清单4中的代码查询了一个电话号码的联系人、领导及帐号，展示了如何跨多个不相关对象进行搜索。

This code queries contacts, leads, and accounts for a phone number, demonstrating how you can search across multiple unrelated objects.

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iPhone上相同的可用特性也可以用于Firefox，例外情况是由iPhone提供的特性，例如在联系人条目中拨打电话号码的功能。

The same features available on the iPhone are available from Firefox, except for features provided by the iPhone such as the ability to dial the phone number in a contact entry.

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