请教这句英语的句子结构 怎么分析?

问题描述:

请教这句英语的句子结构 怎么分析?
the hen mirrors a phenomenon that permeates our society,that is,businesses utilize the basic features of their products as the selling points for their advertisement campaigns.特别是中间that is用逗号分开做什么成分?

主语the hen
谓语mirror
宾语a phenomenon
宾语从句business utilize ...campaigns.
that is 在这里是插入语,不做任何成分,用逗号隔开,意思是“也就是,即...”