Cách sử dụng
"Complex" is used to describe something that is difficult to understand or has many parts that are interconnected. It can be used to talk about a problem, an idea, or a situation that is not easy to solve or explain. For example, you might say that a math equation is complex, meaning that it is not simple to figure out. Or you could say that a relationship between two people is complex, meaning that there are many factors that make it difficult to understand or navigate. So, when you hear the word "complex", think of something that is complicated or hard to unravel.