从上周五，过了4天，这周二估计哈佛流行病和医学专家组提出了进一步的意见，需要全部停止学生住校和教室授课。

来源: 评论2012 于 2020-03-10 11:01:42 [旧帖] [给我悄悄话] 本文已被阅读：次

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