代用 (dài yòng) — to substitute; to use as a replacement

Definition

Examples

• 这个工厂用塑料代用金属。
  Zhè ge gōng chǎng yòng sù liào dài yòng jīn shǔ.
  This factory uses plastic as a substitute for metal.
• 由于缺少原材料，我们不得不找代用品。
  Yóu yú quē shǎo yuán cái liào, wǒ men bù dé bù zhǎo dài yòng pǐn.
  Because of a shortage of raw materials, we had to find substitutes.
• 这种代用方案效果不错。
  Zhè zhǒng dài yòng fāng àn xiào guǒ bú cuò.
  This alternative solution works quite well.