Word
rates
比率；率
a measure, quantity, or frequency, typically one measured against some other quantity or measure
价格；费用；（尤指英国）地方财产税；比率；价格；等级(rate的复数形式)
In use
The council increased the rates on all homes this year.
Many residents are struggling to pay their rates and other household bills.
The business rates for commercial properties have been reduced.
rates on [noun] (用于指地方财产税)
在英国，'rates'常指地方政府对房产征收的税。
The council has increased the rates on residential properties.
议会提高了住宅地产的地方财产税。
rates for [noun] (表示服务或产品的价格)
We offer competitive rates for hotel rooms.
我们提供有竞争力的酒店房间价格。
rates of [noun] (表示比率或率)
Unemployment rates of 10% are alarming.
10%的失业率令人担忧。
Common mistakes
The rates of boys to girls in the class is 3:1.The ratio of boys to girls in the class is 3:1.
中文学习者常混淆 'rate'（比率/速率）和 'ratio'（比例）。'rate' 用于衡量变化速度或费率，而 'ratio' 用于表示两个数量之间的比例关系。
The rates of these products are too expensive.The prices of these products are too high / The rates for these services are too high.
'rate' 通常指服务费、税率或利率，而非商品价格。表示商品或产品的价格应用 'price'。如果指服务费率，则可用 'rate'，但需搭配介词 'for'。
Connections
Dictionary facts from ECDICT, WIKTIONARY.