nd use of language. (社会语言学)РР(8) diglossia: (双语)?a?situation when?two distinct?varieties of?the?same?languageРРare used, side by side, for two different sets of functions.РРbilingualism: (双语现象) the use of at least two languages either by an individual or by a group of speakers, such as the inhabitants of a particular region or a nation.РРtaboo:(禁忌) a word or expression that is prohibited by the polite society from general use.РР(12) euphemism: (委婉语) a word or phrase that replaces a taboo word or is used to avoidРРreference to certain acts or subjects, e. g.?“ powder room?” for?“ toilet?”.РРcognitive linguistics: a new approach to the study of language and mind. According to this approach, language and language use are based on our bodily experience and the way we conceptualize it. (认知语言学)