Pragmatic Consequences of Language Shift: A Contrastive Study of Politeness Marker Loss in Northern Ryukyuan 論文 Gijs van der Lubbe・Martha Tsutsui Billins・Patrick Heinrich ·2021-10-04 ·『Contrastive Pragmatics』 3(2) pp. 252-277 doi:10.1163/26660393-bja10030