The response demonstrates fairly automatic and effective use of grammar and vocabulary, and fairly coherent expression of relevant ideas.
回答中呈现了相当自然有效的语法和词汇的使用，相关观点的表达也十分连贯。
The response demonstrates the effective use of grammar and vocabulary.
（学生的）回答有效运用了语法和词汇。
When learners can deal with the vocabulary and grammar of a foreign satisfactorily, and can use the language to express rather complicated ideas, they start to enter the third stage.
当学习者对一门外语的词汇和语法有了一定的掌握，可以用它来表达相对复杂的思想时，就基本进入了第三阶段。
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