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http://www.guokr.com/blog/763936/edit/Coursera%20%E5%8F%91%E5%B8%83%E8%AF%81%E4%B9%A6%E5%8D%87%E7%BA%A7%E7%89%88%EF%BC%81Specializations%E2%80%9C%E5%BE%AE%E4%B8%93%E4%B8%9A%E2%80%9D
您即将离开知乎,请注意您的帐号和财产安全。
http://www.guokr.com/blog/763936/edit/Coursera%20%E5%8F%91%E5%B8%83%E8%AF%81%E4%B9%A6%E5%8D%87%E7%BA%A7%E7%89%88%EF%BC%81Specializations%E2%80%9C%E5%BE%AE%E4%B8%93%E4%B8%9A%E2%80%9D