求翻译：古人曾说过:与有肝胆人共事,从无字句处读书.不可纸上谈兵,学习就是为了实践运用,学而无用,为何学是什么意思？

The ancients have said: and the hepatobiliary working with people, never reading the words at the non-paper, learn to use is to practice, learn and useless, why learn

The ancients said, and people with liver and gallbladder, worked with everything from reading the paper, and learning.This is used in order to practice, learn and useless, why not learn

The ancient once has said: With has the courage person to work together as colleagues, from does not have the words and expressions place to study. Cannot be an armchair strategist, the study is in order to practice the utilization, but studies uselessly, why studies

The ancients said: work with a liver and gall of people, reading from the without words. no paper, learning is to practice, but useless, why

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