短语词组短語sunk fixed cost 成本sunk -cost fallacy 沉沒成本悖論Sunk -cost theory 沉沒成本論sunk sunk cost 沉沒成本the sunk -cost trap 沉沒成本sunk cost effect 沉沒成本傚應;成本傚應;沉沒傚應;成本傚果Economic Sunk Cost 經濟沉沒成本 返回 sunk cost