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Sentence analysis
4Spans
Sentence
Span Details
材料
materials; ingredients; material; subject matter; grounds; basis; evidence; market factornoun
を
object markergrammar
買わ
buy; purchase; value highly; think highly of; appreciate; incur; invite; arouse; win favor; take up; accept; take on; pay for a prostitute; hire a geisha-> 買うgodan verb
なければなりません。
must; have to-> なければならないgrammar