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
You're welcome to come over any time, you'll always have a place to stay.
我们欢迎你任何时候过来，这里是你永远的家。
But this doesn't mean that Mr. Li is a bookworm.
但这并不意味着李先生是个书呆子。
Are there any boats in the picture?
画里面有船吗？