00000nz  a2200000n  4500
001  KSH2000024968
005  20000411122444
008  000411 n azknn|abn          |a a|a    | 
150  ▼a디시전 트리[decision tree]▲
450  ▼wr▼i영어▼adecision tree▲
550  ▼a의사 결정[意思決定]▲