N-VAR
（必要的）費用，開支
Outlay is the amount of money that you have to spend in order to buy something or start a project.
例句
Apart from the capital outlay of buying the machine, dishwashers can actually save you money...
除了購置所用開支，洗碗機實際上能為你省錢。
A beginner could really enjoy the hobby for an outlay of between ￡100 or ￡120 a month.
初學者只需每月花上100到120英鎊便能真正享受到這種愛好帶來的樂趣。