because MS says so

來源: ppzcgg 於 2007-03-15 20:16:00 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (99 bytes)

if you are looking for a setting to switch it on and off, I don't believe there has ever been any.

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• So MS has made a mistake? Why does WORD accept UNDO operation? -旅行者- ♂ 給 旅行者 發送悄悄話 (0 bytes) () 03/15/2007 postreply 21:13:31

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