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No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 7700-7700 子類 商業運輸 and 運輸
No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 7701-7701 子類 商業運輸 and 商業服務


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