Do I need to change what I eat?

我需要换换口味吗？

youdao

Do I need to change buses?

我需要转车吗？

youdao

What do I need to change?

我需要做什么改变？

youdao

Do I need to change the lower bound?

我需要改下边界值么？

麻省理工公开课 - 计算机科学及编程导论课程节选

Now to make that happen, it's not adiabatic, right. If I wanted to do that, I'd need a heating element or something to cool, so I could make that temperature change happen, right.

要实现这点，它就不会是绝热的，对吧，如果我想做到这点,我需要一个加热元件或什么制冷的东西,这样我才能让温度变化。

麻省理工公开课 - 热力学与动力学课程节选

Do I need to change the treatments I've been using?

CNN: Swollen lymph nodes

Mr. VIN WEBER (Former Republican Congressman, Minnesota): The question that I hear Republicans talking about is, do we need to change the brand, or do we simply need to refurbish?

NPR: Conservatively Speaking, Things Look Bad