答案:A sunk cost, which is really just another term for historical or past cost, a cost that the company has already incurred and, therefore, is irrelevant to the decision-making process. Nothing can change what has already happened.沉没成本,实际上只是历史或过去成本的另一个术语,公司已经产生的成本,因此与决策过程无关。没有什么能改变已经发生的事情。