(IP 
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (VV 确保)
                    
    (IP-OBJ 
      (NP-SBJ 
        (-NONE- *PRO*))
                    
      (VP 
        (LCP-TMP 
          (QP 
            (CD 二十四)
                    
            (CLP 
              (M 小时)))
                    
          (LC 内))
                    
        (VP 
          (BA 将)
                    
          (IP-OBJ 
            (NP-SBJ 
              (NN 鲔鱼))
                    
            (VP 
              (IP-ADV 
                (NP-SBJ 
                  (-NONE- *PRO*))
                    
                (VP 
                  (VV 趁鲜)))
                    
              (VP 
                (VRD 
                  (VV 运送)
                    
                  (VV 至))
                    
                (NP-OBJ 
                  (NP-PN 
                    (NR 日本))
                    
                  (NP 
                    (NN 市场)))))))))))
arg0: 
                    *PRO*