21 w - Translate

https://diigo.com/0xv32j
https://squareblogs.net/grainb....ear27/tou-zi-bi-xue-
https://johannsen-mortensen.hu....bstack.net/qian-wang
http://batesgreer43.jigsy.com/....entries/general/%E5%
https://zenwriting.net/stormle....o33/wang-luo-du-bo-d
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