但这两个学派在语言研究方法上存在的翻译：But the two schools existed on the research methods of language 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

But the two schools of thought on language research methods

But the two schools existed on the research methods of language

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However, the two schools of thought in language research methods exist

But the two schools existed on the research methods of language