英语翻译

题目

英语翻译
even before
下面句子中In countries where there is a large frontier,such as Canada and Brazil,air service access to some areas even before they are reached by roads.
even before是什么用法啊 要睡觉了

答案

就是“甚至在.之前”啊,
感觉少了谓语
大致是“在一些有大片边界的国家,如加拿大和巴西,有些地方甚至在没通公路之前,航空服务就能到达了”