n.

1. 消费；支出；用光[U][（+on）]
   Training a dog requires the expenditure of time and effort.

   训练一条狗需花时间和精力。

2. 支出额；经费[U][C]
   My expenditures this week amount to $100.

   这星期我花了一百美元。

n.

1. the action of spending funds.
   ▸the amount of money spent.
2. the use of energy or other resources.