sth. is sth., and it is sth.正数芦陪薯蠢确。sth. is sth. and is sth. 也正确。但是如果你中间用了逗号, and 后面则必须是一个完整的句子，哗老所以需要有主语it存在。所以你在口语中会听到sth. is sth. and is sth.因为没有逗号。
sth. is sth. , and is sth. 和 sth. is sth., and it is sth.哪个正确？（sth. = something）
Simone
发布于 2023-05-13 09:35:41
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