A fetch plan is a useful construct because the client can control the content of the requested representation for the same logical resource on a per-use-case basis.
查询计划是一个非常有用的结构，因为客户端可以控制相同逻辑资源在每次使用时的请求表现内容。
2
We can then examine the equivalent symbolic tree representationof this query plan in Figure 1.
随后，我们可以查看图1，其中展示了这个查询计划的等效符号树表示形式。
3
As long as you are assessing the beauty or goodness of a plan, model, document, or some other nonexecutable representation, you are only speculating about quality and progress.