Stepped cost
[经] 步增成本, 阶段成本, 阶梯成本
🧩 词语组成解析
v. 踏；行走（step的过去式和过去分词）
cost
[kɔst]
n. 价钱，代价;花费，费用;牺牲;[用复数][法律]诉讼费;
vi. 价钱为，花费;估计成本;
vt. 付出代价;估价;使丧失;使付出努力;
🗣️ 情景例句
Want to hear them?
你想听听吗？
When did you know the answer?
你什么时候知道答案？
found a brother who was thought to have been killed twenty years before.
巴斯曼如何找到了据信已在20年前死去的兄弟的事。