▣A sunk cost(沉设成本)is an expenditure that has been made and cannot be recovered(挽▣). After it has been incurred(蒙受)，it should be ignored when making future economic decisions. Copyright by CaidonghongCopyright by Caidonghong ❑ A sunk cost (沉没成本) is an expenditure that has been made and cannot be recovered (挽回). After it has been incurred (蒙受), it should be ignored when making future economic decisions