However the major studies of refusal speech acts focus on thesincere refusals and there is relative paucity of research on ostensible refusals.是什么意思_However the major studies of refusal speech acts focus on thesincere refusals and there is relative paucity of research on ostensible refusals.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句