(CP-Q (IP (IP-SBJ (NP-SBJ (-NONE- *pro*))
(VP (VP (VV 花费)
(NP-OBJ (CP (WHNP-1 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-1))
(VP (ADVP (AD 这么))
(VP (VA 大))))
(DEC 的)))
(NP (NN 代价))))
(PU ，)
(VP-PRP (VV 聘请)
(NP-OBJ (DP (DT 这些))
(NP (NN 咨询)
(NN 专家))))))
(VP (VV 值得)))
(SP 吗))
ARG0: *pro*
ARG1: *OP* *T*-1 这么 大 的 代价
REL: 花费