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教育
学习、课程、语言与知识管理工具。
W
Wikipedia ✓ Editor's Choice
The free encyclopedia that anyone can edit.
95/100
C
Coursera ✓ Editor's Choice
Online courses and degrees from top universities.
90/100
D
Duolingo ✓ Editor's Choice
Learn languages with fun, gamified lessons.
90/100
K
Khan Academy
Free world-class education for anyone, anywhere.
88/100
U
Udemy
Marketplace of online courses on any topic.
84/100
E
edX
University-level courses from leading institutions.
82/100