你可以说你为什么要买某物比如笔记本电脑，例如：i need it for e - mail and the internet。

You can talk about why you want something such as a laptop computer, e.g.

youdao

你可以说你为什么要买某物比如笔记本电脑，例如：i need it for e - mail and the internet。

You can talk about why you want something such as a laptop computer, e.g.

youdao