She thinks that she and Edward will both die, but there are ways (documents) to let Renesmee and Jacob escape. She thinks that although Alice abandoned them, Alice will help take care of Renesmee after they die, and so on. Let Jacob and Alice meet in one place, which is Geneilu. Write down "Rio" and put it in the bag for Jacob to see, but for Alice to see it, she must always think about "Geneilu". ......
I don't know how many pages there are in the book. I read them in English, but after Bella went to J for the second time, she already got the documents and went straight back to get money or something.