He wants to send away for some books.

他想写信去要一些书。

I want to send away for some books I need.

我想发函购买我需要的一些书籍。

Do you remember where to send away for the replacements?

你记得向哪里去函购替换件吗？

When we lived in the countryside, we had to send away for many things we needed.

我们住在乡下时，许多东西都得汇钱到外地函购。

In the west, people often send away for goods, which can save them a lot of time.

在西方，人们常常邮购商品，这可以节省许多时间。