公司怎么才能使用户便捷地买歌曲、电影和其他数码产品呢？
How do companies allow users to easily buy songs, movies, and other digital goodies?
那年冬天，他们买了一个数码相机，准备给孙子们一个惊喜，可他们不知道如何把它链接到那台一年前买的电脑上。
In the winter they buy a digital camera as a surprise for the grandchildren, but they don't know how to connect it to the computer they bought a year before.
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