One time I came home to find a note on the front door that led me to another note, then another, until I reached the walk-in closet.
一天我回到家,看到前门上贴着一张便条,它把我引向另一张便条,然后是另一张,一直把我引到家里可进入的壁橱。
Further, it is interesting to note that the order in which DB2 has returned the results exposes how the recursion is processed one level at a time, instead of using a tree-walk.
而且,令人感兴趣的是,DB2返回结果时所依照的顺序暴露了递归如何逐层地而不是采用遍历树的方法进行处理。
How was it possible to walk for an hour through the woods and see nothing worthy of note?
在树林中走了一个小时而没有见到什么值得注意的东西,这怎么可能呢?
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