what 引导的是宾语从句,做save的宾语,save 此处意为“保存”
主句：I suggest
宾语从句：you save what you find with an electronic bookmark so you can return to it later
宾语从句中的主语：you
谓语：save
宾语：what you find with an electronic bookmark
状语：so you can return it later.
句意：我建议你保存你用电子书签找到的东西,这样你可以以后再翻看.
【答案完善结束,欢迎追问,满意记得采纳哟(*^__^*) 嘻嘻……】