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対照言語学
contrastive linguisticsnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
研究
research; study; investigationnoun, suru verb
は、
topic markergrammar
日本語教育
Japanese-language education (for non-native speakers)noun
に
direction, time, indirect object, or target markergrammar
役立つ。
be useful; be helpful; serve the purposegodan verb