古文经典《用药如用兵》原文及译文

《用药如用兵》是我国古代著名医学家张景岳所著《景岳全书》中的一篇经典文章。这篇文章以比喻的方式，将用药与用兵相类比，阐述了用药的奥妙和技巧。原文及译文如下：

原文：

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