(IP 
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (ADVP 
      (AD 不至於))
                    
    (PP-LOC 
      (P 在)
                    
      (LCP 
        (NP 
          (NN 价格)
                    
          (NN 竞争))
                    
        (LC 下)))
                    
    (VP 
      (VV 一蹶不振))))
arg0: 
                    *pro* 
                
argm: 
                    在 价格 竞争 下 
                
argm: 
                    不至於