Some cases of r-suffixation in Chinese involve phonological opacity.

有时这种音系变化还涉及音系不透明性。

This paper investigates tone change induced by er-suffixation, showing that tones behave differently with respect to different types of morpho-phonological processes.

本文着重考察晋语诸方言的儿尾变调与儿化变调，分析这两种变调所遵循的不同音系规则。

This family has been widely publicised as suffering primarily from a defect in the use of grammatical suffixation rules, thus supposedly supporting the existence of genes specific to grammar.

这个家族已经被广为宣传成为，主要遭受到在后缀规则的语法使用上的缺陷所困扰，所以，根据推测也支持了，语法之特定基因的存在。