如果没有你的话，我们的计划就无法成功了。

Without [But for] you, our project wouldn't have succeeded.

youdao

如果你过去没有信心做烙饼的话，就别再被它吓着–真没什么难的。

If you've shied away from making pancakes in the past, don't be put off – there's really nothing to it!

《柯林斯英汉双解大词典》

如果你没有溜冰鞋的话，请不要担心。

Don't worry if you don't have any skates.

youdao

So this is important, it's a little bit subtle, but if you don't really understand this deeply, you'll find yourself getting confused a lot.

但你如果没有挺深刻的理解，这件事的话，你会发现自己在这个问题上很困惑。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, please don't bring in your attorney if I didn't ask a question that's identical to one that you've worked.

因此请不要带你的律师来,如果我没有考的题目,和你做过的题目相同的话。

麻省理工公开课 - 固态化学导论课程节选

If you don't have the units, then if you say the answer is 19, then we don't know what it means.

如果没有的话,比如你的答案是十九,那我们就不知道这是什么意思

耶鲁公开课 - 基础物理课程节选