experience rating

• 经验费率,经验税率,经验定额

experience rating的用法和样例：

例句

1. High air pollution, water pollution, garbage, crime, traffic congestion or tax rates all have a negative impact on your Mayor Rating.
   空气和水污染高，垃圾多，犯罪严重，交通拥挤，或者是税率过高，这些都对市长评价有负面效应。