Sliding-scale basis
[经] 物价计酬法, 比例相应增减制
🧩 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
basis
['besɪs]
n. 基础;主要成分;基准，基本原则;
🗣️ 情景例句
When you go to a new school it takes a while to know the ropes.
到一所学校读书要花一段时间熟悉情况。
I want to buy some traveller's checks.
我想买些旅行支票。
On arriving in England, they were taken to the Crystal Palace by train.
一到英国，火车就把他们送到了水晶宫。