题目内容：
(61)Time spent in a bookshop can be most enjoyable, whether you are a book lover or merely you are there to buy a book as a present． You may even have entered the shop just to find shelter from a sudden shower．Whatever the reason，you can soon become totally unaware of your surroundings．(62)The desire to pick up a book with an attractive dust jacket is irresistable.Although this menthod of selection ought not to be followed,as you might end up with a rather dull book,You soon become engrossed in some book or other，and usually it is only much later that you realize you have spent far too much time there and must dash off to keep some forgotten appointment--without buying a book，of course．
(63)This opportunity to escape the realities of everyday life is,I think,the main attraction of a bookshop．There are not many places where it is possible to do this．(64) You can wander around such places to your hearts content．If it is a good shop，no assistant will approach you with ninevitable greeting，“Can I help you，sir?”You needn’t buy anything you don’t want．(65)In a bookshop an assistant should remain in the background until you have finished browing then，are his services necessary．
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