有道理。不過，是證明書都有有效期，還是這種不可改變事實的證明有效期有它的合理解釋？

來源: 笑薇. 於 2023-09-25 03:58:14 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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