Category layouts do not change over time, so you can safely store category paths permanently in your code.
类别布局并不随时间改变，因此您可以放心地将类别路径永久地存储在您的代码中。
It boils down to this: Store the information in folders - by category, and in a sequence that makes sense to you.
它的要点是：把文件装进分类的文件夹里，并且尽量以一种自己能明白的顺序。
You can traverse the category hierarchy in this way until you find the category that you want to store your data in.
您可以以这种方式遍历类别结构，直到您发现要在其中存储数据的类别。
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