For readers, e-books have meant a transformation not just of the reading experience, but of the book-buying tradition of strolling aisles, perusing covers and being able to hold books in their hands.
You may end up buying their book on the way out, but soon afterwards, it is much like fast food, and you get a nameless sense that you've been cheated.
你可能会在出去的路上买他们的书，但它就像快餐一样，你很快就会有一种莫名其妙的感觉，觉得自己被骗了。
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Studying instead of watching TV will help you to get better exam results, while saving five yuan instead of buying an ice cream means you can buy a new book.