Stair-step costs
[经] 梯级式成本, 阶梯成本
🧩 词语组成解析
stair
[stɛə]
n. 楼梯;（楼梯的）一级;
step
[stɛp]
n. 步，脚步;步骤，手段;步调;级别;
vt.& vi. 举步，行走;踩，踏上;跨入;轻快地走;
vi. 踏，踩;走;
vt. 跳舞;迈步;使成阶梯状;
n. 费用；诉讼费；损失（cost的复数）
🗣️ 情景例句
The first chopsticks were made from bone and jade.
第一批筷子是骨头或玉制成的。
I wonder if you disagree with my point of view.
我不知道你是否不同意我的观点。
The most valuable find of all was the ship's log book, parts of which it was still possible to read.
打捞到的东西中最有价值的是船上的航海日志，其中有一部分仍然清晰可读。