The joy of e-books, which he invented, was that anyone could read those books anywhere, free, on any device, and every text could be replicated millions of times over.

他发明的电子书的快乐在于任何人可以在任何地方免费地用任何仪器读哪些书。 而每一本都可以轻松地被复制一百万份。

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The joy of an app phone (as opposed to a mere smartphone, which only gets e-mail) is that you can download and install your own little programs and operate them on a touch screen.

与只能用来发电子邮件的“智能手机”相比，手机应用程序的乐趣在于能够下载安装，并在触摸屏上运行的小程序。

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And so, you begin to think that somebody up there in joy and appreciation should get the A, and somebody down here in depression should get the E or the F.

所以，你开始认为那些活在喜悦和感激当中的人应该得A，而那些在抑郁的人应该得E或者F。

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"Mexicans are such a joy to have here, " one Bulgarian guesthouse owner e-mailed back.

CNN: Travel expert: Why you should go to Mexico