And, in today's world, with TED conferences and the Khan Academy, there are plenty of opportunities to enrich yourself.

并且当今世界，通过TED演讲和可汗学院，你都有很多机会来丰富自己。

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He got the idea for Khan Academy four years ago, when he taught a young cousin how to convert kilograms to grams.

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With 6 million unique visitors a month, the Khan Academy has proved its utility.

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The Khan Academy is leading the way in the evolution of the Education Genome.

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Over the holidays, I belatedly discovered what may point the way to the future of education the Khan Academy.

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