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Sentence analysis
8Spans
Sentence
Span Details
識字率
literacy ratenoun
の
possession, attribution, nominalizer, or nominal linkergrammar
向上
improvement; advancement; rise; elevation; progressnoun, suru verb
は
topic markergrammar
経済発展
economic developmentnoun
に
direction, time, indirect object, or target markergrammar
不可欠
indispensable; essential; vitalna-adjective, noun
だ。
plain copulagrammar