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Let me tell you a story. When we did our circuits course for the 155,000 students,
給大家講一個故事。當我們的電路課程要為那155,000的學生上線時，
I didn't sleep for three nights leading up to the launch of the course.
為了引領課程上線，我連著三個晚上沒睡覺。
I told my TAs, okay, 24/7, we're going to be up monitoring the forum, answering questions.
我每時每刻都在告訴我的助教們，人數會上漲的，監測論壇，回答問題。
They had answered questions for 100 students. How do you do that for 150,000?
他們解答了100名學生提出的問題。面對15萬學生要怎么辦？
So one night I'm sitting up there, at 2 a.m. at night, and I think there's this question from a student from Pakistan,
一天晚上我坐在那，凌晨兩點鐘，思考一個巴基斯坦的學生提出的問題，
and he asked a question, and I said, okay, let me go and type up an answer, I don't type all that fast, and
他問了一個問題，我想，好吧，就去鍵入一個答案吧，我可以慢點寫，
I begin typing up the answer, and before I can finish,
然后我開始鍵入答案，還沒寫完，
another student from Egypt popped in with an answer, not quite right, so I'm fixing the answer,
另一名埃及的學生就彈出了一個答案，不完全正確，所以我就完善了一下，
and before I can finish, a student from the U.S. had popped in with a different answer. And then I sat back, fascinated.
我還沒有改完，又有一個來自美國的學生突然彈出了一個不同的答案，然后我坐回去，被吸引住了。
Boom, boom, boom, boom, the students were discussing and interacting with each other,
砰，砰，砰，砰，學生之間相互討論交流，
and by 4 a.m. that night, I'm totally fascinated, having this epiphany,
那天凌晨四點，我完全入迷了，他們漸漸頓悟，
and by 4 a.m. in the morning, they had discovered the right answer.
到早上4點鐘，他們發現了正確的答案。
And all I had to do was go and bless it, "Good answer."
我能做的就是去贊美一下，“答得好”
So this is absolutely amazing, where students are learning from each other, and they're telling us that they are learning by teaching.
這太讓人驚訝了，學生之間彼此學習，這告訴我們他們是因教而學。
Now this is all not just in the future. This is happening today.
這一切不是只存在于未來。今天也同樣在發生。
So we are applying these blended learning pilots in a number of universities and high schools around the world,
所以我們將這些混合學習模式試驗應用到世界各地的一些大學和高中，
from Tsinghua in China to the National University of Mongolia in Mongolia to Berkeley in California -- all over the world.
從中國的清華大學到蒙古的蒙古國立大學，到加州的伯克利大學到整個世界。
And these kinds of technologies really help, the blended model can really help revolutionize education.
這種類型的技術，這種混合教學模式可以真正幫助改革教育領域。
