收集邮票作为爱好。

Collect stamps as a hobby.

你以前收集邮票吗？

Did you use to collect stamps?

他们狂热地收集邮票。

They fanatically collect stamps.

他喜欢收集邮票作为爱好。

He likes to collect stamps as a hobby.

我的爷爷从小就开始收集邮票。

My grandfather started to collect stamps when he was young.

他喜欢收集邮票。

He likes to collect stamps.

他喜欢收集邮票，已经有几百张了。

He likes to collect stamps and has hundreds of them.

你知道哪里可以买到收集邮票的工具吗？

Do you know where to buy tools to collect stamps?

还有些人是因为它们漂亮或稀有而喜欢收集邮票.

And some like to collect stamps because they are beautiful or rare.

他在收集邮票和明信片的同时也收集硬币。

He collects coins, together with stamps and postcards.