Yang@mementomori.schoolM to philosophy@mementomori.school中文 · 1 year ago大问题：外星人存在吗？mp.weixin.qq.comexternal-linkmessage-square0fedilinkarrow-up11arrow-down10cross-posted to: science@mementomori.school
arrow-up11arrow-down1external-link大问题：外星人存在吗？mp.weixin.qq.comYang@mementomori.schoolM to philosophy@mementomori.school中文 · 1 year agomessage-square0fedilinkcross-posted to: science@mementomori.school
