你不必买书。

You don't have to buy books.

我经常从当当网买书，因为他们的选择很多。

I often buy books from Dangdang because they have a wide selection.

这个女孩每天都买书。

The girl buy books every day.

德国人也喜欢在网络上买书。

Germans also like to buy books on the Internet.

她从不吝惜掏钱让子女们买书.

She never stints herself of money to buy books for her children.

我把一点一点积累的零花钱都用来买书。

I used my pocket money to buy books, which I scrape up little by little.

我用零花钱买书。

I pay for my books with my pocket money.

我总是在买书之前先读简介。

I always read the blurb before buying a book.

我喜欢在买书之前先看一下书评。

I like to read a book review before buying a book.

她总是花钱买书。

She always spends money on books.