cog·ni·zance, cognisance /ˈkɒɡnəzəns $ ˈkɑːɡ-/ noun [uncountableU] formal 1. KNOW somethingknowledge or understanding of something 知道,认识
2. take cognizance of something formal UNDERSTANDto understand something and consider it when you take action or make a decision 注意到某事;考虑到某事take cognizance of something• Of course, in both enumerative and faceted schemes, it is necessary to take cognizance of new simple subjects.