I don't know this. But theoratically GC is for future position.

來源: welldone2007 於 2010-06-25 17:57:37 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)
回答: 回複：thanks. more question for point 2) 由 863211 於 2010-06-24 13:04:46
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