70 元券预售indeterminacyoptionalityResidual¥5160去看看中图上海图书音像店发布了预售 按需印刷 Residual indeterminacy or optionality at core syntax100 元券可选性OptionalityStrategic战略¥12190去看看中华商务图书专营店发布了海外直订Strategic Optionality 战略可选性40 元券9783659390555indeterminacyoptionalityResidual¥5560去看看上海外文图书音像专营店发布了按需印刷Residual indeterminacy or optionality at core syntax[9783659390555]30 元券句法不确定性选择性Indeterminacy¥4400去看看中华商务图书专营店发布了海外直订Residual Indeterminacy or Optionality at Core Syntax 核心句法的剩余不确定性或选择性50 元券选择性OvergeneralisatiAcquisitionOptionality¥8070去看看中华商务图书专营店发布了海外直订Optionality and Overgeneralisation Patterns in Second Language Acquisition: Wher 第二语言习得中的选择性与过度泛100 元券泛化选择性GeneralizationOptionality¥16330去看看中华商务图书专营店发布了海外直订Rule Generalization and Optionality in Language Change 语言变化中的规则泛化与选择性