选择多个对象，不工作，因为属性改变值的活动对象选择只适用于只有一个选择。
Just selecting multiple objects and changing the value does not work because the property selections apply only to the active object which is only one of those selected.
如果正在出版的书籍有明显的校园市场潜力(例如面向对象设计的书籍)，她就会选择一些教授参与读书和评审的周期内的一些活动。
If a book under development has obvious college sales potential (for example, an object-oriented design book), she will include selected professors in the reading and review cycle.
选择join代码段元素，它是自动生成的，用于创建ListOf 3 To 3quotations对象并将其传递到下一个活动MakeDecision，如图46所示。
Choose the Join snippet element, which is automatically generated to create a ListOf3To3Quotations object and pass it to the next activity, MakeDecision, as Figure 46 shows.
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