They are like the birds that sing to us all winter long,and make that season of ice and snow more endurable
They are like the birds that sing to us all winter long, and make that season of ice and snow more endurable.
这是个并列句。显而易见,在and之后承前省略了重复的主语they。
如果觉得我的回答对您有用,请随意打赏。你的支持将鼓励我继续创作!