技术的改善是按需印刷量快速增长的一个原因。

Better technology is one reason for the rapid growth.

youdao

在这里，他们试验的是按需印刷，在订购之前人们可以先阅读电子书。

What they are experimenting with here is on-demand printing, where people pre-read an e-book before placing an order.

youdao

在这里，他们试验的是按需印刷，在订购之前人们可以先阅读电子书。

What they are experimenting with here is on-demand printing, where people pre-read ane-book before placing an order.

youdao