| 单词 | sliding scale |
| 释义 | sliding scale scale that relates two things, so that they each increase or decrease together 滑动费率, 滑动折算制（相关的两项目相应增减制） Fees are calculated on a sliding scale according to income, ie Richer people pay more. 这种费用是根据收入高低滑动折算的（富人多付钱） |
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