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。
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。
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。
But it is not enough to denounce unilateralism, unless we also face up squarely to the concerns that make some States feel uniquely vulnerable, and thus drive them to take unilateral action.
但是这不足以指责单边主义，除非我们对某些国家的脆弱表示担忧，因此迫使他们采取单边行动计划。
But it is not enough to denounce unilateralism, unless we also face up squarely to the concerns that make some States feel uniquely vulnerable, and thus drive them to take unilateral action.
但是这不足以指责单边主义，除非我们对某些国家的脆弱表示担忧，因此迫使他们采取单边行动计划。
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