再说病毒与害虫到处迁徙，无须签证，从来不闭关锁国搞内循环。

来源: 老商于 2022-06-08 20:28:06 [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.