The search method takes two parameters: the first parameter is the search context you authored in Step 3 of this exercise and the second parameter is the collection of two attributes from Step 4.
search方法采用了两个参数：第一个参数是在练习的第3步创建的搜索上下文，第二个参数是第4步的两个属性的集合。
In Step 10 of Listing 8, you instantiate a SearchControls object, which you can then use to build some search controls. Search controls are used for two main purposes.
在清单8的步骤10中，实例化了一个SearchControls对象，可以用它构建一些搜索控件。
The next step is to search for connections between your two lists which might lead you to humor. Play with it.
下一步就是去搜索一些跟两张单子都有关系的联系，这有利于你对你的幽默进行操作。
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