By [______], with the coming of records not only were the "classics" preserved, but formerly ephemeral "hits" could now survive as "oldies."
동의어 · difference, disparity, juxtaposition파생어 · contrasting(대조적인)
★ 주제문 — S3·S4·S5이(가) 이 문장을 떠받칩니다 — S1을(를) 맥락(으)로 뒷받침