这有助于加深对印欧语系原始母语的了解，促进对其所派生的现代相关语言的研究。
It helps people have a better understanding of the primitive Indo European Language, thus promoting the research on its derivative languages.
这有助于加深对印欧语系原始母语的了解，促进对其所派生的现代相关语言的研究。
It helps people have a better understanding of the primitive Indo European Language, thus promoting the research on its derivative languages.
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