(NP-SBJ 
  (-NONE- *pro*))
                    
(VP 
  (VP 
    (ADVP 
      (AD 进一步))
                    
    (VP 
      (VV 规范)
                    
      (NP-OBJ 
        (DNP 
          (LCP 
            (NP 
              (NP 
                (NN 海关)
                    
                (NN 工作)
                    
                (NN 人员))
                    
              (CC 和)
                    
              (NP 
                (DNP 
                  (NP 
                    (PN 他))
                    
                  (DEG 的))
                    
                (NP 
                  (NN 管理)
                    
                  (NN 相对人))))
                    
            (LC 之间))
                    
          (DEG 的))
                    
        (NP 
          (NN 关系)))))
                    
  (PU ，)
                    
  (VP 
    (PP-MNR 
      (P 从)
                    
      (LCP 
        (NP 
          (NN 源头))
                    
        (LC 上)))
                    
    (VP 
      (VV 防微杜渐)))
arg0: 
                    *pro*          
                
argm: 
                    从 源头上