奥巴马当选演讲中有一句,We are better off for the service.其中better off

We are better off for the service中的off怎么理解? off是个什么用法?the better we do our work the better off we shall better with the lights off they are much better off now be better off 英语中better off better off 是什么? Better Off Alone 歌词 英语翻译1,As individuals we are better off with dreams------and 最近看到奥巴马演讲中经常提到A Better Bargain for XXX .之内的话. “lay off is a better off”, be better off的off是什么意思