Compared with the research on phonetic variation, the research on grammatical variation is weaker.
比较语音变异而言，语法变异研究相对薄弱。
The variability of the literary language is embodied by the phonetic variation, the semantic variation, and the grammatical variation.
文学语言的变异性表现为语音变异、语义变异和语法变异。
On the guide of variation sociolinguistics, this paper considers all the features discovered or to be discovered as grammatical variation in Singapore Mandarin and studies its variables and usages.
本文在前人研究的基础上，换一种思路，将语法特点或语法特征皆视为新加坡华语的语法变异；以变异社会语言学理论为指导，研究语法变项的使用。
应用推荐