你甚至可以不需要电脑和因特网。

You don't even need a computer or the Internet.

youdao

软件提供的的业务服务可以不需要工具服务的存在而存在。

The software providing the business service could exist without the existence of the utility service.

youdao

这些可以不需要处方，或贴着“纯天然”的标签。

Because they can be purchased without a prescription or are labeled "natural," you may think they're not important and not list them when asked what medications you're taking.

youdao

You can install other software on it, you don't have to use the Apple Store, you can use third party stores.

你可以在上面安装其他的软件,你不需要使用苹果原装软件，可以使用第三方的软件。

哈佛公开课 - 计算机科学课程节选

Also, it can be a rhetorical question or a question that does not want to be answered.

当然，这也可以用在问一种修辞的问题，或一种不需要回答的问题。

How can I 课堂 - SpeakingMax英语口语达人

But that way you can give me Monday to change your section if you need to, which I hope you won't.

如果需要的话，你们可以在周一换组，虽然我不希望你们改。

哈佛公开课 - 幸福课课程节选