Sliding-scale
[数] 计算尺；按比例增减；浮动计算
🧩 词语组成解析
a. 滑行的, 变化的\\n[机] 滑动
scale
[skel]
n. 规模;比例（尺）;鱼鳞;级别;
vt. 测量;攀登;刮去…的鳞片;
vi. 衡量;攀登;（鳞屑）脱落;生水垢;
scale(climb)→登；爬越；音阶；比例尺；规模；尺；尺上的刻度
🗣️ 情景例句
After my wife died,
我妻子去世后，
No, thanks. I'm in a hurry. How much is it?
不用了，谢谢。我还有急事。多少钱？
They celebrated his birthday with a dance party.
也们举办舞会来祝贺他的生日。