EFL
noun [ U ] uk/ˌiː.efˈel/ us/ˌiː.efˈel/
作为外语的英语教学;非母语英语教学（English as a Foreign Language的缩写）
abbreviation for English as a Foreign Language: the teaching of English to students whose first language is not English
Which bookshop has the largest selection of EFL materials? 哪家书店里面有关非母语英语教学的材料最多？
Compare: ESL