看到一篇英文的相关的文章，看来是全世界的普遍现象，约10-30%人口

来源: dudaan 于 2023-05-28 13:20:47 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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