Transport of the future
prevalent : existing very commonly or happening often. (adjective.) 流行的、盛行的 ex:These disease are more prevalent among young children. commonplace : happening often or often seen or experienced and so not considered to be special. (adjective.) 平常的 ex : Eletric cars are increasingly commonplace. p rototype : the first example of something - such as a machine or other industrial produce , from which all later forms are developed. ...