"Yu yan xue." . . "語言學" . "Ying guo yu yan." . . "英國語言" . "Ying yu." . . "英語" . . . . . "Textbooks" . . . . "Ying yu yu yan xue gai lun" . . . . . "Ying yu yu yan xue gai lun = Introduction to English linguistics" . . . . . . . "英語語言學槪論" . "英語語言概論" . . . . "英語語言學概論" . . . . . "英語語言學概論 = Introduction to English linguistics" . . . . . . . . "英语语言学概论" . "Ying yu yu yan gai lun" .