metabooks

例句：

1. 1. I've been reading a lot of metabooks lately, which is why I'm so excited to try out this new e-reader.
   我最近读了很多元书籍，这就是为什么我对这个新的电子阅读器这么兴奋。
2. 2. The metabooks are helping me save time and money on my daily commute.
   这些元书籍正在帮助我在每天的通勤中节省时间和金钱。
3. 3. Many people prefer to read metabooks instead of traditional books because they can be accessed from anywhere with an internet connection.
   许多人更喜欢阅读元书籍而不是传统书籍，因为它们可以在任何有互联网连接的地方访问。