(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