1、You cannot aver that inconsistency is essential to life and yet be fazed by it in others.
你不能宣称不一致是生活的基本特征，却对他人的不一致感到困惑。
2、I cannot aver that I was a witness to the crime, as I was not present at the time.
我不能断言我是这起犯罪案件的目击者，因为我当时不在场。