Cách sử dụng
The word 'system' means a group of things or parts that work together to do a job or achieve a goal. For example, a computer system is made up of different parts that work together to help us use the computer. In another example, the human body has different systems, like the digestive system that helps us process food and the respiratory system that helps us breathe. The word 'system' can be used in many different contexts, like in science, technology, and even social systems, which are groups of people and institutions that work together in a society.