Sentence examples for it is complex from inspiring English sources

"it is complex" is a grammatically correct and commonly used phrase in written English.
It is typically used to describe something that is difficult to understand or has many different parts or aspects. For example: - The instructions for assembling the bookshelf were so confusing, it was hard to follow. It is a complex task, even for experienced builders. - The concept of quantum mechanics can be difficult to grasp at first. It is a complex theory that requires a lot of studying to fully understand. - The relationship between the two main characters in the novel is not easy to unravel. It is a complex dynamic that keeps readers guessing until the end.