如果你们需要，我可以帮你们预订。

I'd like to make a reservation for you if you want.

youdao

如果你们需要延期，请提前申请，不要等到星期一下午五点才说。

If you do need an extension, ask for it ahead of time, not at 5:00 p.m.on Monday.

youdao

如果你们需要双方收入来承担住房贷款，一定要签署承诺书保证偿还。

If you need two incomes to qualify for a home loan then both of you will have to sign the promissory note and be legally obligated to pay back the debt.

youdao

But that way you can give me Monday to change your section if you need to, which I hope you won't.

如果需要的话，你们可以在周一换组，虽然我不希望你们改。

哈佛公开课 - 幸福课课程节选

You guys have to decide whether you, okay. So if you're going to, if you're running you stand up.

你们需要考虑是否你们,这么说吧,如果你们要,如果你要参选,你就站起来

耶鲁公开课 - 博弈论课程节选

And I'm sure you can imagine that if you want to label onw protein green and one red and one yellow, now you can start looking at really complex biological processes.

我相信你们可以想象如果你,需要把一个蛋白质标记成绿色,一个标记红色，一个标记黄色，这样你就可以研究非常复杂的生物学过程。

麻省理工公开课 - 化学原理课程节选