obverse
noun [ U ] formal uk/ˈɒb.vɜːs/ us/ɑːbˈvɝːs/
对立面；反面
the other side of something
False humility and its obverse, arrogance, are equally unpleasant. 假谦虚和与之相对应的傲慢同样令人反感。
Of course, the obverse of the theory may also be true. 当然，与这个理论相反的理论可能也正确。
Synonym: opposite
the obversefinance & economics specialized （硬币的）正面
the front side of a coin that has the main picture on it