1、spend time／money on sth.在……上花费时间（金钱）。2、spend time／money(in)doing sth.花费时间（金钱）做某事。3、spend money for sth.花钱买某物。
spent例句
1、Radioactive waste is simply spent fuel
放射性废物就是用后的燃料。
2、Several spent cartridges have already been found.
几个空弹壳已经被找到。
3、I spent a night in London.
我在伦敦过了一宿。
4、I spent a couple of days sight-seeing in Guilin.
我在桂林盘桓了几天，观光了名胜。
5、Years have been spent in compiling this volume.
编辑本卷花了好几年时间。
