I started in 1999 to try and address this problem with an experiment, which was a very simple experiment in New Delhi.

我从1999年开始试图用实验解决这个问题，我当时在新德里进行了一个非常简单的实验。

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To try the system out, the team established an experiment with 100 participants, all of whom were asked either to watch a short video and describe what they saw, or to listen to the description and describe what they heard.

ECONOMIST: Computer etiquette: Nods and winks | The

And what has happened is, is that this community has actually used the crisis as an opportunity to start rebuilding, and try and experiment with new ways of learning.

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If you want to get better at anything, you need to experiment with an open mind, to try and fail, to willingly accept and learn from any outcome.

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