(IP (NP-SBJ (-NONE- *pro*)) (VP (ADVP (AD 不妨)) (VP (VV 来) (VP (ADVP (AD 一)) (VP (VV 探) (NP-OBJ (NN 究竟)))))))
ARG0: *pro* ARG1: 究竟 ARGM-ADV: 一 REL: 探