Learners can not use English flexibly because they have not mastered grammar and vocabulary.
怎么理解,不是分析语法
追答This sentence tells us if you are a new learner and want to master English flexiblly, you should study or learn the grammar and memorise the vocabulary first. Because without grammar to be based on and a lack of vocabulary, you couldn't understant the meaning of whatever people mean.
As all know which is a fact that new language learners should understand(study) the sentence structure as well as the new words' usage, which is the basic knowledge they should know.
不是翻译题!
用英语回答,怎么理解这句话,全部问题答案还有其他的都得用英语,而且书上如果我能找到就不问啦