a better-off life的用法和样例：
- There being only one wineshop in the town, Wang led a better off life from then on.
- I think that man is just hanging out for a better offer.
- The auctioneer was hanging out for a better offer.
- I'm holding out for a better offer.
- I have a better offer from another company.
- Many people use education as a steppingstone to a better life.