实践是检验真理的唯一标准. 新冠病毒就是试纸, 各个国家, 政府做的如何, 大家都看得见.

来源: POCOCAT 于 2020-03-22 16:47:23 [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.