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
Aren't you going to admire my new hat?
你难道不想夸夸我的新帽子吗？
Goodbye. Remember to look me up if you're ever in Washington.
再见。要是你光临华盛顿的话，别忘了来看我。
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。