spending multiplier

• 支出乘数

spending multiplier的用法和样例：

例句

1. The expenditure multiplier is the number by which a change in aggregate expenditures must be multiplied in order to determine the resulting change in total output.
   支出乘数是这样一个系数，用这个系数乘以总支出的变动量，可得到总支出变动量所引起的总产出的变动量。