您可以通过添加列和行、包括其他来源的数据、创建用于计算的公式等，从而操作工作表。
You can manipulate the worksheet by adding columns and rows, including data from other sources, creating formulas for computations, and so on.
查看每一个列公式，在一张纸上写下公式中引用的一个或多个字段。
On a piece of paper, look at each column formula and write down the field(s) referenced in the formulas.
有一种方法可达到此目的：设置查找视图，使其包含具有清单 9 所示公式的另外一列。
One way to accomplish this is to set up your lookup view so that it has a second column with the formula shown in listing 9.
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