留学地道英文怎么表述

留学的地道英文表达是 study abroad或 overseas study。例如：

1. 我梦想去海外留学，但这太昂贵了。[My dream is to study abroad, but it is too expensive.]

2. 几年来，几百个留学生在那所大学学习过。[Over the years, hundreds of overseas students have studied at that university.]