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steemitboard (66)in #learn • 5 years ago
RE: 边际成本概念的再学习
Congratulations @mc2! You received a personal award! Birthday! - You are on the Steem blockchain for 2 years! You can view your badges on your Steem Board and compare…
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steemitboard (66)in #learn • 6 years ago
RE: 边际成本概念的再学习
Congratulations @mc2! You have received a personal award! 1 Year on Steemit Click on the badge to view your Board of Honor. Do not miss the last post from…
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dtubix (38)in #history • 7 years ago
RE: 如何学历史学
Following you! +vote
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yellowbird (69)in #cn • 7 years ago
RE: 你是否投资了让自己睡不好的项目？ | My Principles
目前市场太疯狂！
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steemitboard (66)in #philosophy • 7 years ago
RE: 思维模型-第一性原理（How to think by First Principle）
Congratulations @mc2! You have completed some achievement on Steemit and have been rewarded with new badge(s) : You made your First Vote You made your First Comment…
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steemitboard (66)in #philosophy • 7 years ago
RE: 哲科思维-归纳法谬误
Congratulations @mc2! You have completed some achievement on Steemit and have been rewarded with new badge(s) : You published your First Post You got a First Vote…
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