去搜一下BBC俄国和他们的合作伙伴的research结果；同时问一下为什么乌克兰没人做这样的研究

来源: cn_abcd 于 2023-03-01 19:23:58 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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