Polingua : Scientific Journal of Linguistics, Literature and Language Education is a peer-reviewed open-access journal for publishing the results of high-quality research in all aspect of Linguistics, Literature and Language Education. The journal publishes state-of-art papers in fundamental theory, experiments, and simulation, as well as applications, with a systematic proposed method, sufficient review on previous works, expanded discussion, and concise conclusion. As our commitment to the advancement of science and technology, Polingua follows the open access policy that allows the published articles freely available online without any subscription. Submitted papers must be written in English for initial review stage by editors and further review process