(IP 
  (NP-SBJ 
    (-NONE- *PRO*))
                    
  (VP 
    (ADVP 
      (AD 还))
                    
    (ADVP 
      (AD 不时))
                    
    (VP 
      (VP 
        (VV 飞到)
                    
        (NP-OBJ 
          (NP-PN 
            (NR 澳洲)
                    
            (PU 、)
                    
            (NR 美)
                    
            (PU 、)
                    
            (NR 英)
                    
            (PU 、)
                    
            (NR 日)
                    
            (ETC 等))
                    
          (NP 
            (NN 地))))
                    
      (PU ，)
                    
      (VP 
        (VV 视察)
                    
        (NP-OBJ 
          (NN 工厂)))
                    
      (PU 、)
                    
      (VP 
        (VV 考察)
                    
        (NP-OBJ 
          (NN 投资)
                    
          (NN 趋势))))))
arg0: 
                    *PRO* 
                
arg1: 
                    澳洲 、 美 、 英 、 日 等 地 
                
argm: 
                    不时 
                
argm: 
                    还