And fixed versus variable speaks to whether you give a reward on a fixed schedule, every fifth time, or variable, sometimes on the third time, sometimes on the seventh time, and so on.

固定与变化则是相对于,你是否根据固定时程给予奖励而言的，每五次就给予奖励，或者是变化的，有时候在第三次上给予奖励，有时候则在第七次上给予奖励。

耶鲁公开课 - 心理学导论课程节选

Now there was inflation with regard to a basket of the Consumer Price Index is not just the price of gold; it's the price of many things but the there would be inflation or deflation as the relative price of gold changed.

现在，就一组物品来说，是存在通货膨胀的,消费者价格指数并不仅仅是金子的价格；,它是很多东西的价格，但是,当金子的相对价格变化时,通货膨胀或通货紧缩就会发生。

耶鲁公开课 - 金融市场课程节选