"I have never been abroad" 是表达自己从未出国过的常用说法。
来源：这句话是根据英语的语法结构和词汇组合而成的。
例句：
"I have never been abroad before." (我从未出过国。)
"I have never traveled outside of my country." (我从未出过我国。)
"I've never had the opportunity to travel overseas." (我从未有过出国旅行的机会。)
总体来说，"I have never been abroad" 是很常用的表达自己从未出过国的说法，词汇和句型都很简单易懂。