rate at短语²⁸⁵⁸ 基本例句 把…估〔评价〕为,估计财产应赋税的价值为 Innovation is costly, so if the rate at which per capita income rises declines, the rate of improvement in the quality and variety of goods and services will slow. 创新是高成本的，因此，若人均收入增长率下降，商品和服务在质量提升和种类增多方面的速率将会减慢。 yeeyan