Some hostels even have a designated book swap, allowing travelers to take a book and leave a book.

有些旅店甚至有图书交换角，旅行者们可以拿走那里的一本书，再补上一本自己的书。

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You can invite friends over for a clothing or book swap, and ask them to take the money they've saved on shopping and give it to cash-strapped local shelters.

你可以邀请朋友转赠衣物和书籍，请求他们把用来购物的钱拿出来捐给当地资金。

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The next shock could be the failure of a hedge fund with a big swap book, given the spike in redemptions and margin calls many funds face, thinks Pierre Pourquery of the Boston Consulting Group.

波士顿咨询集团的Pierre Pour query认为，考虑到基金面对上升的赎回率和保证金要求，下一波冲击的受害者可能来自持有大量掉期合约的对冲基金倒闭。

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Held at cocktail bar Le Carmen, which was once the home of composer Bizet and is named after his famous opera, the concept of Book Club is simple: bring a favourite book to swap.

BBC: Paris�� 21st Century literary salon

For example, if a trader takes 10% of his book for a ten-year swap, then 5% of his previous year's bonus is used for the same position.

ECONOMIST: Letters

What he wanted was to push a little button that would swap the words in the book he held for the words in some other book somewhere else.

NEWYORKER: A New Page