您可以选择行、列和页面维度，并设置它们的相对重要性顺序。

You can select the row, column and page dimensions, and set the order of their relative importance.

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因此，在绝大多数情况下，为每一个已经排序的列设置一个默认的排序顺序是毫无意义的。

Therefore, it does not make sense to give a column a default sort order that makes it already sorted, in most cases.

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