(NP-SBJ 
  (-NONE- *pro*))
                    
(VP 
  (ADVP 
    (AD 这样))
                    
  (VP 
    (VV 并购)
                    
    (CC 或是)
                    
    (VV 收编)
                    
    (PU ，)
                    
    (CC 或者是)
                    
    (VV 靠航))))
arg0: 
                    *pro*