书是免费的，但真人朗诵是昂贵的。

The book is free; the bodily talk is expensive.

youdao

许多用户选择关闭这些邮件提醒——因为如果你有5个以上的脸书好友，那么你收到脸书的邮件的次数可能比真人发给你邮件的次数还多。

Many users choose to turn these E-mail alerts off — because, if you have more than about five Facebook friends, you might get e-mails from Facebook robots more often than from humans.

youdao

写过好几部关于好莱坞文化历史畅销书的尼尔·加布勒表示：“我们都热爱真实，这就是为什么我们有那么多的真人秀。

"We love authenticity, that's why we have a billion reality shows, " said Neal Gabler, an author of several best-selling books on Hollywood culture and history.

youdao