Definition

Examples

• 蒸汽是工业革命的原动力。
  Zhēngqì shì gōngyè gémìng de yuán dòng lì.
  Steam was the driving force of the Industrial Revolution.
• 追求利润是市场经济的主要原动力。
  Zhuīqiú lìrùn shì shìchǎng jīngjì de zhǔyào yuán dòng lì.
  The pursuit of profit is the main driving force of the market economy.
• 好奇心是科学研究的原动力。
  Hàoqíxīn shì kēxué yánjiū de yuán dòng lì.
  Curiosity is the driving force of scientific research.