Lights twinkle overhead, boutique windows feature mannequins engaged in warm scenes of holiday fun, and passersby snap photos of expertly decorated cakes in pastry shop displays.
这句话的是不是一个并列结构,怎么用逗号连接?
这里的3个句子分别用了逗号和and来并列,当然也有只用逗号并列的情况.