这PhD啊，讲究四门功课推式子，烧炉子，过柱子，养耗子 https://twitter.com/xueshudi/status/1120554499922378752
https://t.me/private_channel_c14370a/602
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.
