An expert is a man who has made all the mistakes, which can be made in a very narrow field.
专家是一个犯过所有错误的人，这些错误可以在一个非常狭窄的领域内犯。
-- Niels Bohr 尼尔斯·波尔
An expert is a man who has made all the mistakes, which can be made in a very narrow field.
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An expert is a man who has made all the mistakes, which can be made in a very narrow field.
专家是一个犯过所有错误的人，这些错误可以在一个非常狭窄的领域内犯。
-- Niels Bohr 尼尔斯·波尔
