Many of these things were not needed.

VOA: special.2010.04.29

Even in real recipes, you have things like, if needed, add sugar.

就算在真实的菜谱当中，你也需要做一些比如加糖之类的事情。

麻省理工公开课 - 计算机科学及编程导论课程节选

You could trade it in for those things that you didn't make yourself and needed.

你需要交换那些你需要,但又不能自给自足的东西

耶鲁公开课 - 古希腊历史简介课程节选

White House spokesman Robert Gibbs says President Obama will discuss, among other things, the steps are needed to close the detention facility at Guantanamo Bay.

VOA: standard.2009.05.20

"It was like a giant jigsaw puzzle and the more we started to unearth and peel back the onion of who this guy was and what happened to him in the past and trying to truly understand the reason why he would be so obsessed with a specific case once we start to uncover these things about him we realized that once we explain one set of circumstances we needed to go even further with another set of circumstances."

VOA: standard.2010.02.27