"I mean anyone with a little effort can make better food and even cheaper food, but mainly better food than you can buy anywhere.

VOA: standard.2010.07.16

It's always a little bit cheaper. So, the same thing with e-books.

总是便宜一点。所以，对于电子书也是一样。

音乐市场的变化 - SpeakingMax英语口语达人