Cách sử dụng
The word "performance" is used to talk about how well someone does something. It can be used in many different situations, such as in school, music or sports. For example, if you do well on a test, your performance was good. If a musician plays a song very well in front of an audience, their performance was great. The word can also be used to describe how well a machine or other object works, like the performance of a car or computer. Basically, "performance" is a word used to describe how well someone or something does something.