TED演讲:为什么MOOC仍然重要(8)
Learners are telling us that they go to bed at night dreaming of the green check mark. 学习者告诉我们,他们晚上上床睡觉都做着绿色对号的梦。 In fact, one of our learners who took the circuits course early last year, 事实上,有一名学习者去年年初学习了那门电路课程, he then went on to take a software course from Berkeley at the end of the year, 接着,他就在同年...