我要的是英文的權威機構的統計原文，不是某個中文商業廣告裏寫的。

來源: borisg 於 2024-09-03 06:33:40 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.