the class of all items that can be substituted into the same position (or slot) in a grammatical sentence (are in paradigmatic relation with one another)
[同]
paradigm, substitution class
the generally accepted perspective of a particular discipline at a given time
[例]
he framed the problem within the psychoanalytic paradigm
，可以收听真人发音 
小测验：选择正确的单词
