Uber is a borrowed word from German of which the original form is über, however, it has been well assimilated into English language, and have conformed to the English way of pronunciation and spelling, i.e. the denizen(同化词). According to the definiton on Dictionary.com, uber can function as an adverb or adjective, meaning"over, beyond, above", more specifically, the word indicates the highest, greatest, or most extreme example of something, which may corresponds to the ambition of UBER. From ...