【熊熊讚】評論
That is to say, language knowledge was synonymous with a set of linguistic habits, and learning a second language simply meant replacing one set of habits with another.也就是說，語言知識就是一套語言習慣的同義詞，學習第二語言只意味著用一套習慣取代另一套習慣。(A) mandatory for強制性的