exist in和exist on的区别
问题描述：
exist in和exist on的区别
答
exist in 意思是“存在于...”
如：The universe exists in space.
宇宙存在于太空.
exist on 意思是“靠...生存”
如：It was impossible for them to exist on such a small income.
他们要靠这一点收入生活是不可能的.