mainsprings的中文翻译是什么意思

N-COUNT（观点、情感等的）主要原因，主要动机

If you say that an idea, emotion, or other factor is the mainspring of something, you mean that it is the most important reason or motive for that thing.

• My life has been music, and a constant search for it has been the mainspring of my life...

  我以音乐为生，对音乐的不懈探索已经成为我生活的动力。

• You begin to understand what actions were the mainspring of the story.

  你开始体会到是什么样的行动在推动这个故事的发展。