Third, after building the parse tree there are more checks that have to have to be performed to be sure that the system “helps make sense” (semantic checking). For this job, the pursuing semantic examining needs to take place: 实话说，我也接过并非本专业的“订单”。为了会计和管理类的作业，我甚至找了会计学的课本自己把相关内容学了一遍，几个作业做完，除了感慨再也不接此类作业之外，也不得不苦... https://angelo5ob36.shotblogs.com/no-further-a-mystery-30802510