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Sentence
Span Details
人為淘汰
artificial selectionnoun
は、
topic markergrammar
自然淘汰
natural selectionnoun, suru verb
と
quotation, conditional, companion, or and markergrammar
対比
contrast; comparison; juxtaposition; correlation (of strata)noun, suru verb
される
passive, potential, or respect auxiliarygrammar
概念
concept; notion; general ideanoun
だ。
plain copulagrammar