Unless we take action, summer ice could be completely gone in as little as 35 years.

除非我们采取行动，夏季冰层将可能在35年短的时间内全部消失。

youdao

We plan to take legal action unless the payment is made in full.

我们打算采取法律措施，除非完全付清款项。

youdao

Unless you take prompt action to settle this problem. We will have to take legal action.

除非您们马上解决这个问题，否则我们要采取法律行动。

youdao

Iran is developing a nuclear capability, and I'm not sure we're going to be able to stop them unless we take very strong action because many of our European counterparts aren't being cooperative in trying to put economic and diplomatic pressure on them.

CENTERFORSECURITYPOLICY: "Fixing" US-Latin American relations

And we dare not take that step unless the people who spoke agree that such drastic action is justified.

CNN