inconsistency

n. /ˌɪnkənˈsɪstənsi/ C1

不一致；前后矛盾

A difference between things that should agree.

仙境例句

There was an inconsistency in the answers: the cook said pepper, but the Dormouse said treacle.

答案前后不一：厨娘说是胡椒，睡鼠却说是糖浆。