1 [U] the state of existing 存在: This is the oldest human skeleton in existence. 这是现存的人类骸骨中年代最久远的。How did the universe come into existence ? 宇宙是怎么形成的？

2 [sing] a way of living, especially when it is difficult 生活方式，生活（尤指艰难的）: They lead a miserable existence in a tiny flat in London. 他们住在伦敦一套狭小的公寓里，过着贫困潦倒的日子。