1.income gap 收入差距

例句:The force of economic convergence depends on the income gap between developing and developed countries.
经济整合的力量取决于发展中国家和发达国家的收入差距。

2.better off 富裕的；状况好的

例句:He's much better off than before.
他手头比过去宽多了。

3.get worse 转坏；变糟糕的

例句:In fact, things could get worse in the short run.
事实上，事情在短期内可能会变得更加糟糕。

4.run over 碾过；匆匆看

例句:He was run over by a train.
他被火车轧了。