三、含有平行结构的句子
平行结构指的是将结构相同或相似、意义并重、语气一致的语言成分并行排列的一种修辞手法。这种结构层次清晰、语意顺畅，能够起到加强语气、增强表达效果的作用。
如：
原句：This phenomenon , in my opinion , has upgraded the quality of people's life . And it has also improved the value of consumption of our modern society .
优化：This phenomenon , in my opinion , has not only upgraded the quality of people's life but also improved the value of consumption of our modern society .
原句：Many people get up early to jog along country lanes , or in order to observe the wonder of nature . And some also just watch the sun rise .
优化：Many people get up early to jog along country lanes , to observe the wonder of nature , or just to watch the sun rise .