Definition

Examples

• 这次事故的主因是设备老化。
  Zhè cì shìgù de zhǔ yīn shì shèbèi lǎohuà.
  The main cause of this accident is equipment aging.
• 他辞职的主因是什么？
  Tā cízhí de zhǔ yīn shì shénme?
  What is the main reason for his resignation?
• 主因在于缺乏沟通。
  zhǔ yīn zàiyú quēfá gōutōng.
  The main reason lies in a lack of communication.