回複：my PD date is neither 01 or 15 of a month. hehe

來源: la-z-boy 於 2006-10-10 15:50:06 [] [舊帖] [給我悄悄話] 閱讀數 : (157 bytes)
回答: sadly true. 由 xiaomaju 於 2006-10-10 15:39:40

Historical data shows cut-off dates of 1st, 8th, 15th, 22th, 7 days between them. We have seen 1st more often than 15th, and 15th more often than others...

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