(IP (LST (CD 二))
(NP-SBJ (-NONE- *pro*))
(VP (ADVP (AD 不))
(VP (VV 许)
(IP-OBJ (NP-SBJ (-NONE- *PRO*))
(VP (VP (VP (ADVP (AD 乱))
(VP (VV 砍)))
(VP (ADVP (AD 滥))
(VP (VV 伐))))
(PU ，)
(VP (VV 造成)
(NP-OBJ (NN 水土))
(IP (NP-SBJ (-NONE- *PRO*))
(VP (VV 流失)))))))))
ARG0: *PRO*
ARGM-ADV: 滥
REL: 伐