大家在查： contrast analysis contrast control contrast effect contrast examination contrast media contralateral sensory disturbance contraindication to vaccination contradictory equation contractionary fiscal policy contractile ring

contrary relation

contrary relation

最后，让我们看看「反对关系」(Contrary Relation)和「下反对关系」(Subcontrary Relation)。前者是指p和q不可以同真，但可 …