One long-distance flight consumes fuel which a car uses in several years' time, but they cause the same amount of pollution. So, some people think that we should discourage non-essential flights, such as tourist
By putting thoughts into words,you are telling yourself the logic(逻辑)behind what you think,feel,or only partly understand. Often,explaining a thought is the process of understanding. In other words,you increase your brain power by exercising your “explain power”. Try this experiment. Explain...