platinum disc
noun [ C ] (US also platinum disk) uk/ˌplæt.ɪ.nəm ˈdɪsk/ us/ˌplæt.nəm ˈdɪsk/
白金唱片奖
a prize given to the performer(s) of a popular song, or a collection of popular songs, when a very large number of copies of the recording of it have been sold
Compare: gold disc