通常，函数语言会避开while循环，因为while实现的大多数操作都可以使用递归来完成。
Normally, functional languages eschew the while loop, because most of what while does can be done instead with recursion.
每天，在一个持续不断的思维循环中，我们大多数人都会重复至少一到两个消极的，经常是不真实的愚蠢想法。
Most of us have at least one or two on a constant loop, repeating the same negative -and often untrue - drivel day in and day out.
这些数据中的大多数会在循环的下一次迭代中删除。
Most of this data is being deleted with the next iteration of the loop.
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