改变世界可以简单如做一个沟通者，寻找更多创造性的方法将知识传递给像我妈妈和村里的农民这样的群体。
It can be as simple as becoming better communicators, and finding more creative ways to pass on the knowledge we have to people like my mom and the farmers in their local community.
我们的目标就变成了组织信息以便它可以将我们的知识以最大的效益传递给学习者。
Our goal becomes to organize the information so it travels most efficiently from us to the receiver learner.
遗憾的是，作为知识的唯一持有者，人类把知识从一个大脑传递到另一个大脑的效率却非常低。
Unfortunately, humans, the sole vessels of knowledge, are very inefficient at passing it along from one brain to another.
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