I don’ t understand your logic. 我不理解你的逻辑推理。
+in There’ s a certain logic in moving towards a common currency. 趋向于使用统一货币是有一定道理的。
see the logic of/in sth (=recognize that it is sensible) It’ s a pity if they have to close the school, but I can see the logic of it. 承认某事物是合理的
defy logic (=not be sensible or reasonable) The court’ s ruling seems to defy logic. 不合理;不合逻辑