the semantic orientation of complement is complicated, it can direct predicate verbs, and also can direct subject, object and prepositional object of the sentence.
补语的语义指向非常复杂,既可以指向述语动词,也可以指向句子的主语、宾语、介词宾语。
this essay focuses on the prepositional object phenomenon in hanyu's poetry and prose, which is nonconforming to pre-qin grammar and discusses its causes.