But finally, after about three years, my feet toughened up. They just toughened up and all of a sudden I'm walking on gravel, I'm walking on surfaces, and it finally happened.

最终经过约3年，脚板终于坚韧起来，它们坚韧起来，突然间我能在沙砾和地面行走，终于成了。

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And if I'm walking down the list, this is probably order of the length of the list s because I'm looking at each element once.

这可能大概就是数组的长度，因为我会遍历数组中的每个元素一次,现在你可能会想，等等，数组已经排好序了。

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So if I'm walking down the street and I'm feeling freezing and annoyed

所以如果我沿街散步，我会感到非常寒冷，非常烦躁，

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If it's there, I'm done, if not, I keep walking down, and I only stop when I get to a place where the element I'm looking for is smaller than the value in the list., in which case I know the rest of this is too big and I can stop.

并且保持遍历,我只在当当前位置的数组元素,大于目标数时停止,这意味着剩下的元素都比目标元素大，但是其他的情况,我还是要遍历完整个数组。

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And finally I get dressed, I go downstairs and I'm walking out to the car, and my umbrella blows open -- and I'm soaked.

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