能给出德国政府的规定来源链接么？很感兴趣。

来源: 欲千北于 2022-01-28 21:42:41 [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.