economic base multiplier

例句：

1. 1. The government's stimulus package has significantly boosted the economy's growth.
   政府的刺激计划已经显著提升了经济增长。
2. 2. The increase in consumer spending is a key driver of economic growth.
   消费者支出的增加是经济增长的关键驱动力。
3. 3. The economic base multiplier effect suggests that small changes in government spending can have significantimpacts on the overall economy.
   经济基础乘数效应表明，政府支出的微小变化对整个经济有着深远的影响。