(1)They lived by fishing and hunting. 他們靠海獵為生。
(2)The six Indian blind men lived by begging.這六個印度盲人靠乞討為生。
(3)People in the south live on rice.南方人以大米為主食。
(4)They lived on a small income. 他們靠微薄的收入維持生活