live on (alsoliveoff)

• 1.  

  PHRASAL VERB（动词词组） If you live on or live off a particular amount of money, you have that amount of money to buy things. 靠 (某数额的钱) 过活

  例：

  ...people trying to live on $100 a week.

  …设法靠每周$100过日子的人们。

• 2.  

  PHRASAL VERB（动词词组） If you live on or live off a particular source of income, that is where you get the money that you need. 以…为收入来源

  例：

  The proportion of Americans living on welfare rose.

  靠福利生活的美国人的比例上升了。

• 3.  

  PHRASAL VERB（动词词组） If an animal lives on or lives off a particular food, this is the kind of food that it eats. 以…为主食

  例：

  The fish live on the plankton.

  这种鱼以浮游生物为主食。