This, at the first glimpse, appears to be a valid and useful distinction; but [______] reflection reveals that it is superficial and not wholly true.
동의어 · adult, ripe, developed파생어 · maturity(성숙, 만기)
★ 주제문 — S4·S5·S6·S7이(가) 이 문장을 떠받칩니다 — S1을(를) 맥락(으)로 뒷받침