There are multiple layers of security.

來源: arcsigh 於 2015-07-02 11:41:54 [] [舊帖] [給我悄悄話] 閱讀數 : (62 bytes)

Having one layer does not mean other layers are not necessary.

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• 這回聽你的！ -慧惠- ♀ 給 慧惠 發送悄悄話 慧惠 的博客首頁 (0 bytes) () 07/02/2015 postreply 12:30:21

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