“________” is often understood as a language system between the target language and the learner's native language.
本题考查中介语的含义。 中介语是指第二语言学习者建构起来的介于母语和目的语之间的过渡性语言， 它处于不断的发展变化过程中， 并逐渐向目的语靠近。