After the waiter left, Chelsea took out her mobile phone and tapped on it. Russell glanced at her phone and found that she was using the calculator. He asked, "What are you calculating?" Chelsea did not look up and continued to tap on the screen. "I wonder how much such a bar makes in a month." Russell fell silent. It was getting harder and harder for him to figure her out. "Does a bar have a slack or busy season?" Chelsea asked him. "Yes." Russell sipped some water. "Spring is a slack season. During the New Year holiday, many people go to their hometowns to unite with their families, so there are much fewer customers. Summer is a busy season. Everyone has more nightlife, and a bar is a good place to escape the summer heat. Winter isn't as busy as summer, but there are many foreign f

