And, it is doubly useful to compare these views and assessments against some standard or baseline, in order to understand the degree of variance from an ideal.
为了了解与理想情况的差异程度，将这些观察和评估与一些标准或基线比较是非常有用的。
And, it is doubly useful to compare these views and assessments against some standard or baseline, in order to understand the degree of variance from an ideal.
为了了解与理想情况的差异程度，将这些观察和评估与一些标准或基线比较是非常有用的。
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