If you question every expense, you can find a few that can be reduced.

如果你对每一项花销都提出质疑，你就会发现有几项是可以削减的。

youdao

If I could just pick up on a question you raised earlier.

请允许我重提一下您早先提出的问题。

《牛津词典》

If you can't answer the question, leave a blank.

如果回答不了问题，就空着它。

《牛津词典》

And if you do, here is a question you can answer: Who do you consider a "folk genius?"

VOA: special.2010.01.18

And if they can't answer that question, I say well, before you even run it, have an answer to that.

如果他们没法回答这个问题的话，我会说好吧，在你运行实验之前，先回答这个问题吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

I'm sorry to cut you out. But do you mind if I ask you one more question? -Absolutely delighted.

不好意思打断您，我可不可以,再问您一个问题？，-当然。

普林斯顿公开课 - 人性课程节选

"If you question someone for eight hours, you can provoke him into anything, " he said.

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If you question the effectiveness of avoiding mistakes then consider this: if your portfolio loses 50%, you need to earn 100% just to break even.

FORBES: What Men Can Learn from Women to Invest More Profitably

Today if you question a hospital or physician about prices, they'll look at you like you're some kind of nut or, even worse, someone who's uninsured.

FORBES: Fact and Comment