One summer, a library in Texas in the US was having a terrible problem. For years, the number of books in the library 1 growing. As a result, they became too big for the 2 and had to move to a newly-built library across the town. 3 was finished and paid for. They found out that they didn't leave enough 4 to move their mountain of books across the town. Even the 5 moving company (公司) was going to ask for several thousand dollars to move the books. What could they do? They thought and thought. 6 one clever worker had a good idea. She said that during that time, the library would be closed. They could 7 the readers to borrow more books, for example to borrow 20, 40 or 100 books at a time (一次性). At the end of the summer they could 8 them to the new library. The idea 9 beautifully and a lot of people crowded to borrow books. This was a win-win (双赢的) situation. The 10 were happy to have more books to enjoy. The library saved a lot of money and moved all the books to the new library.
