The everything-is-a-node abstraction loses some value because of the number of node types that exist, and because of the lack of uniformity present in their access methods.
由于存在的节点类型数量及其访问方法缺乏一致性，“一切都是节点”的抽象丧失了一些意义。
The everything-is-a-node abstraction loses some value because of the number of node types that exist, and because of the lack of uniformity present in their access methods.
由于存在的节点类型数量及其访问方法缺乏一致性，“一切都是节点”的抽象丧失了一些意义。
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