VOA慢速英语:Everyday Grammar: 3 Grammar Rules That Are Dying

snobbish – adj. having or showing the attitude of people who think they are better than other people : of or relating to people who are snobs

gender ­neutral – adj. a word or expression that cannot be taken to refer to one gender only

antecedent – n. a thing that comes before something else

mainstream – adj. the ideas, attitudes, or activities that are regarded as normal or conventional; the dominant trend in opinion, fashion, or the arts

etiquette – n. the customary code of polite behavior in society or among members of a particular profession or group