Harry Rubenstein of the Smithsonian's National Museum of American History
问题描述：
Harry Rubenstein of the Smithsonian's National Museum of American History
led the project to restore the book that the third U.S. president created out of what he saved.这句话中的out of 如何解释
答
Out of 在这里,是“从...当中”的意思.
"Out of what he saved"= 从他保存的(书籍)当中.