再说一下，单独看枪击数据是无效的，下药用刀谋杀和用枪是一回事。其他犯罪率也要比较是因为拥枪的自卫和威慑作用

来源: tz2000 于 2022-05-26 18:43:49 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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