( 
  (IP 
    (NP-SBJ 
      (PN 他们))
                    
    (VP 
      (VP 
        (ADVP 
          (AD 正在))
                    
        (ADVP 
          (AD 努力))
                    
        (VP 
          (VV 学习)
                    
          (NP-OBJ 
            (DNP 
              (NP 
                (NP-PN 
                  (NR 欧洲))
                    
                (DP 
                  (DT 各))
                    
                (NP 
                  (NN 国)))
                    
              (DEG 的))
                    
            (NP 
              (NN 语言)))))
                    
      (PU ，)
                    
      (VP 
        (ADVP 
          (AD 频频))
                    
        (VP 
          (VP 
            (VV 到)
                    
            (NP-OBJ 
              (NP-PN 
                (NR 欧洲))
                    
              (DP 
                (DT 各))
                    
              (NP 
                (NN 国))))
                    
          (VP 
            (VV 旅行))))
                    
      (PU ，)
                    
      (VP 
        (ADVP 
          (AD 甚至))
                    
        (VP 
          (VV 设法)
                    
          (IP-OBJ 
            (NP-SBJ 
              (-NONE- *PRO*))
                    
            (VP 
              (VP 
                (VV 到)
                    
                (NP-OBJ 
                  (NP-PN 
                    (NR 欧洲))
                    
                  (DP 
                    (DT 其他))
                    
                  (NP 
                    (NN 国家))))
                    
              (VP 
                (VV 谋职)))))))
                    
    (PU 。)))
arg0: 
                    他们 	  
                
argm: 
                    频频 	  
                

(NP-SBJ 
  (-NONE- *pro*))
                    
(VP 
  (ADVP 
    (AD 尤其是))
                    
  (VP 
    (VV 旅行)
                    
    (NP-OBJ 
      (DNP 
        (NP 
          (QP 
            (QP 
              (CD ２)
                    
              (CLP 
                (M 个)))
                    
            (CC 到)
                    
            (QP 
              (CD ３)
                    
              (CLP 
                (M 个))))
                    
          (NP 
            (NN 国家)))
                    
        (DEG 的))
                    
      (NP 
        (NN 机场))))))
arg0: 
                    *pro*	  
                
argm: 
                    尤其是	  
                
arg1: 
                    ２ 个 到 ３ 个 国家 的 机场