title里面有"执行""，原文里面有"调用"，你要还觉得不明确，自己复习redirec和forward的区别去。
【 在 XeCycle 的大作中提到: 】
:this does not look obvious to me from the original question.
:
:and back to the beginning, why?  it looks like a typical x-y question.
:...................
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修改:dhcn FROM 123.66.186.*
FROM 123.66.186.*