Cách sử dụng
The word 'fluctuate' means that something changes or varies in an uncertain way, often going up and down repeatedly. It can be used to describe things like stock prices, temperatures, or moods. For example, "The temperature in this city can fluctuate a lot throughout the year." or "My mood can fluctuate depending on how much sleep I get." The word can be used in both formal and informal settings, and is commonly seen in news articles or scientific reports.