看来是全美普遍性的。统计数据不准确可以预期，但也没想到差别如此大。

来源: 如山于 2025-08-14 09:40:42 [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.