It has units of time, it represents the price of time, and it is something that fluctuates through time in interesting patterns.

这是一种时间的单位,代表着时间价值,利率以它特殊的模式,随着时间上下摆动

耶鲁公开课 - 金融市场课程节选

The interest rate has units of time, so I have to specify a time period over which I'm measuring an interest rate.

不同时间段有不同的利率,因此我必须在不同的时间段,细化不同的利率

耶鲁公开课 - 金融市场课程节选

Well, this is just a way of saying not bits, but units of eight bits at a time.

好，这里可能不用说比特，而是说以八个比特为单位的字节。

哈佛公开课 - 计算机科学课程节选