Such children are essentially inventing rough but rich languages out of nothing, with features such as fixed word order and hierarchical grammatical structures much like those in fully fledged languages.

从本质上说，这些儿童从无到有地发明了粗糙但丰富的语言，其中有固定的词序和层级语法结构等特征，这些特征与完全成熟的语言非常相似。