(IP (ADVP (AD 将来)) (NP-SBJ (CP-APP (IP (NP-SBJ (-NONE- *PRO*)) (VP (VV 入学))) (DEC 的)) (NP (NN 成本))) (VP (ADVP (AD 不)) (VP (VV 要) (VP (ADVP (AD 太)) (VP (VA 高)))))) arg0: *PRO*