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Example
易経の講義で、先生は天一地二が陰陽の考えを示すと説明した。
In a lecture on the Book of Changes, the teacher explained that the idea of heaven as one and earth as two represents yin and yang.
Usage Notes
A rare classical four-character idiom from the Book of Changes. Use it in discussions of yin-yang theory, numerology, or classical Chinese thought.
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