Manager. Head waiter Shop assistant Or welcome guests. Then there are some so-called coffee processing masters or something. How many people who usually go to coffee shops really understand coffee culture? It's all a scene It's just a mood. Although it is the largest coffee chain in the world. But this is China. Tea culture is the truth. So it's OK so-so. After a long time, I became familiar with the specifications of various brands. Naturally, it will be done. As soon as you enter the store, someone will take you for an internship for a while. No problem.