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Sentence
Span Details
機会的浮動
random drift; genetic driftnoun
は
topic markergrammar
自然選択
natural selectionnoun
と
quotation, conditional, companion, or and markergrammar
は
topic markergrammar
異なる
differ; be different; varygodan verb
進化
evolution; progress; development; advancementnoun, suru verb
の
possession, attribution, nominalizer, or nominal linkergrammar
要因
main cause; primary factornoun, no-adjective
である。
formal copulagrammar