推动者

例句：

1. 1. The new policy will be a great driver for economic growth.
   新政策将极大地促进经济增长。
2. 2. He is the driving force behind our team's success.
   他是我们团队成功背后的驱动力。
3. 3.The company's innovative products are its driving force in the market.
   公司的创新产品是其在市场取得成功的动力。