唯一没有被动过的实质性的收藏是存放于阿尔卑斯山区一个盐矿的3000本书，其中的1200本现在存放在美国国会图书馆。
The only substantial collection to remain intact was the 3, 000 books stored in an Alpine salt mine, of which 1, 200 are now in the Library of Congress.
在家里，如果我们有一本书或者一把锤子，没有必要给它起名字或者存放在一个永久的地方。
We can own a book or a hammer without giving it a name or a permanent place of residence in our houses.
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