You only need to press all the power buttons once.

你只需要一次性按下全部电源按钮。

youdao

You only need to apply light pressure.

你只要轻轻地一压就行了。

《牛津词典》

You only need to pay 15 yuan for it now.

您现在只需要付15元买下它。

youdao

They can reproduce and so you only need to give a few of them in order to make many, many inside the body.

它们能自我复制,所以只需少量病毒,就能在体内产生大量的病毒

耶鲁公开课 - 生物医学工程探索课程节选

And, the bottom line in modeling is make it only as complex as you need to.

模型构造的底线是,根据你的需要尽量把它弄得复杂。

麻省理工公开课 - 固态化学导论课程节选

They only need to have values if you care GetInt about getting something back from them, get int, swap you care about its value; but swap, I don't want to hear it again.

它们只需要拥有值，如果你关心,它们的返回值，你关心它的返回值，但是，我不想再得到它的返回。

哈佛公开课 - 计算机科学课程节选

If you only need to receive emails then T-Mobile Blackberry is the best carrier.

FORBES: How to Save Money on Mobile While Traveling in Canada

You only need to read the figures in the Pre-Budget Report to realise just how much.

BBC: In full: Cameron's economy speech

This creates a tremendous opportunity for intelligent lighting, and you only need to glance up to understand why.

FORBES: The Next Bright Idea: Software For Lighting