00000nz  a2200000n  4500
001  KSH1998025009
005  20000418023222
008  980429 n azknn|abn          |a a|a    | 
150  ▼a모호 문법[模糊文法]▲
450  ▼wr▼i영어▼aambiguous grammar▲
550  ▼wg▼a문법[文法]▲