你指向我书架上的任何一本书，我都能说出我买这本书的年份、那时我在哪里工作，或许还能说出我当时住在哪里。
If you pointed to any book on my shelves, I could name the year I got it, where I was working, and probably where I was living at the time.
我今天买的一本书，就会影响亚马逊明天的推荐内容。
A book I purchase today affects Amazon's recommendations tomorrow.
你买的最后一本书是我想买的。
应用推荐