We now have a fast, easy way to upload files from a local directory tree of any depth to a remote server.

现在我们有了一个从任意深度的本地目录树上载文件到远程服务器上的快速、方便的方法。

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You can easily customize it to show the navigation in a flat list or in a tree hierarchy of varying depth.

您可以轻松对它进行自定义，以在平级列表或在具有不同深度的树层次结构中显示导航。

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This reduces memory usage during the iteration because the stack depth is constant instead of dependent on the height of the tree.

这减少了迭代过程中的内存占用，因为堆栈深度始终保持一致，而不依赖于树的高度。

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It is true, they say, that tree roots can trap sliding soil but only for shallow landslides of up to a metre in depth.

ECONOMIST: Deforestation and floods