西方散文中,会不会出现语法解释不通的现象?如下面这个Ifthedayandthenightaresuchthatyougreetthemwithjoy,andlifeemitsafragrancelikeflowersandsweet-scentedherbs,ismoreelastic,morestarry,moreimmortal—

　　西方散文中,会不会出现语法解释不通的现象?如下面这个

　　Ifthedayandthenightaresuchthatyougreetthemwithjoy,andlifeemitsafragrancelikeflowersandsweet-scentedherbs,ismoreelastic,morestarry,moreimmortal—thatisyoursuccess.这句话的语法成分有哪些,特别是ismoreelastic,morestarry,moreimmortal这句的主语应该是?