live on 继续活着; 继续存在
He's ninety,but still he lives on.
住在…上I have always wanted to live on an island in the middle of a lake.
以…为食; 靠…为生
Most of Asians live on rice.
live in 住在学习〔工作〕的地方
Jack decided to live in during his freshman year at college.
住在(某地); 存在于…; 为…而生存