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Sentence analysis
7Spans
Sentence
Span Details
商業
commerce; trade; businessnoun, no-adjective
精神
mind; spirit; psyche; attitude; mentality; will; spirit (of a matter); essence; fundamental significancenoun
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