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
You were right and I was wrong. I apologize.
你是对的， 我错了。 我道歉。
Mr. Li is not afraid of working hard.
李先生不怕吃苦。
Yesterday my husband removed the gate and Rex got so annoyed we have not seen him since.
昨天，我丈夫把门卸了下来，雷克斯很生气，此后我们便再也没有见到它。