Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
category –n. a group of people or things that are similar in some way
monopoly – n. complete control of the entire supply of goods or of a service in a certain area or market
entertainment – n. amusement or pleasure that comes from watching a performer, playing a game,
analysis – n. a careful study of something to learn about its parts, what they do, and how they are related to each other
animation – n. a way of making a movie by using a series of drawings, computer graphics, or photographs of objects (such as puppets or models) that are slightly different from one another and that when viewed quickly one after another create the appearance of movement
trend – n. a way of behaving, proceeding, etc., that is developing and becoming more common
