unified rate

• 统一费率；统一收费标准

unified rate的用法和样例：

例句

1. The phone company offers a flat rate for long-distance calls.
   这家电话公司对长途电话提供统一费率。
2. Flat rate taxes are claimed to boost economies in a number of ways.
   据称按统一费率征税能够从多方面促进经济发展。