Another advantage of using XML editors is that they have context-oriented options, such as the tree view which enables a user to traverse the various nodes of an XML document easily.
使用XML编辑器的另一个优点是，它们具有面向上下文的选项，比如树视图，它让用户可以轻松地遍历XML文档的各个节点。
Our challenge now is to take a tree of Clojure maps and traverse or manipulate it.
我们现在的挑战在于获得一个Clojure map树，并遍历或操作该树。
This will traverse the tree (in logarithmic time) and find the closest to the root node's summation of studio movies.
这个调用将（以对数时间）遍历树，查找最靠近树根节点的电影公司电影汇总。
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