American dialects often vary from Standard English in the form and usage of relative pronouns.

美国的各种方言在关系代词的形式和用法上常与标准英语有出入。

youdao

American dialects often vary from Standard English in the form and usage of relative pronouns.

美国的各种方言在关系代词的形式和用法上常与标准英语有出入。

youdao