因为您不止一个页面上需要这样的地址组，您要在各个页面上重复操作，还有可能在不同的应用软件上重复此操作。
Because you need such an address block on more than one page, you repeat it on various pages, and maybe even in different applications.
此外，交互活动还能在诸如循环和选择这样的复杂控制的构造中提供操作数(例如，某个给定的交互活动可能需要重复某个具体的次数)。
Furthermore, interactions can serve as operands in complex control constructs such as loops (for example, a given interaction may have to be repeated some number of times) and alternatives.
在这样做之前，此时请注意，我们找到的用于简单“Hello, World”操作示例的模式将对所提供的其它菜单操作进行重复。
Before doing so, note at this point that the pattern we found for our simple Hello World action example will repeat itself for other menu action contributions.
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