我不需要那东西，你可以把它扔了。

I don't need that—you can throw it away.

《牛津词典》

从你的个人电脑上删除不需要的应用程序可以是一件很烦人的事。

Getting rid of unwanted applications from your PC can be a real pain.

《柯林斯英汉双解大词典》

你可以把不需要的东西捐给慈善机构。

You can give your unwanted goods to charity.

《柯林斯英汉双解大词典》

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

You should think that people would really want life insurance but they were not buying it.

你可以想象当时的人们是多么需要寿险,但他们却不去购买保险

耶鲁公开课 - 金融市场课程节选

These won't be graded, you don't have to turn them in, it's just to give you some extra practice if you want while you're studying for the exam.

这些题目不会记分，你们也不需要交上来，只是如果你需要的话，这可以让你,在准备考试的过程中得到更多的训练。

麻省理工公开课 - 化学原理课程节选