spend on

• They may not have the money to spend on a big wedding
  他们可能没有钱举办大型的婚礼。
• A high amount of money is spent on tobacco every year
  每年都要花费大量金钱在烟草上。
• A large amount of money is spent on the project
  这个工程耗费了巨额资金。
• Billions of dollars have been spent on space exploration
  数十亿美元花费在太空探索上。
• Make notes of how much money you spend on the trip
  你要把旅途上花的钱一笔一笔记下来。
• “ how much time do you spend on your career
  "你在事业上付出了多少时间?
• A large amount of money has been spent on this project
  一大笔钱已经花在了这个工程上。
• The problem is how much you want to spend on a tv set
  问题是你想花多少钱买一台电视机。
• Have extra money to spend on other things
  可减少开支，更灵活运用金钱。
• Money spent on the brain is never spent in vain
  智力上的投资绝非浪费。