Bitten twice, the postman refused to deliver our letters unless we changed our dog.
被我们的狗咬了两次，邮递员拒绝给我们送信，除非我们把狗换了。
"Unless we accept that obesity is a disease, we are not going to be able to tackle it," he concludes.
“除非我们承认肥胖是一种疾病，否则我们将无法解决它。”他总结道。
Expensive things are not inevitably the province of the rich unless we abdicate society's power of choice.
昂贵的东西不一定是富人的专利，除非我们放弃社会的选择权。
Unless we have great talent and are willing to work very hard, we are certain to fail in these occupations.
除非我们有才华横溢，并且愿意努力工作，否则我们肯定会在这些工作中失败。
Unless we are vigilant, it's easy to fail to realize an opportunity when it is in hand and it's just as easy to throw it away.
除非我们保持警惕，否则当机会在手中时，我们很容易意识不到它，也很容易让它流失。
We need economic growth unless we condemn the world's poor to their present poverty and freeze everyone else's living standards.
经济增长是必要的，除非我们想让世界上的穷人深陷贫困的沼泽，或使其他所有人的生活水平停滞不前。
We are constantly surrounded by noise, most of which is not audible to us unless we hold something like a seashell close to one of our ears.
我们经常被噪音包围，大多数噪音是听不见的，除非我们把海贝之类的东西靠近一只耳朵。
The fact is that no matter how nicely we dress, or how beautifully we decorate our home, we can't be truly elegant unless we have good manners because elegance and good manners go always hand in hand.
事实上，不管我们穿得多么漂亮，或者我们把家里装饰得多么精致，如果我们不礼貌，我们都不可能真正做到优雅，因为优雅和礼貌总是相辅相成的。
Unless we talk to them, we will feel worse.
除非我们和他们谈谈，否则我们会感觉更糟。
We'll lose the game unless we try our best.
如果我们不全力以赴，比赛就会输。
We'll cause more pollution unless we find ways to recycle more rubbish.
除非我们找到回收更多垃圾的方法，否则我们将造成更多的污染。
Our business won't improve unless we offer better service to our customers.
除非我们为顾客提供更好的服务，否则我们的生意不会有起色。
In summer, food will go bad quickly unless we put it into a fridge.
在夏天，食物会很快变坏，除非我们把它放进冰箱。
This project requires close teamwork. Nothing will be achieved unless we work well together.
这个项目要求紧密的团队协作，如果大家不能很好地合作，就不能获得任何的成就。
We can't keep abreast of the developing situation unless we study harder.
我们如果不加强学习，就会跟不上形势。
We will not attack unless we are attacked; if we are attacked, we will certainly counterattack.
人不犯我， 我不犯人; 人若犯我， 我必犯人。
We can't do that unless we understand how the brain controls our behaviour.
我们不能停止动物实验，除非你搞懂大脑是怎样控制人们的行为的。
We should never buy products that have DRM unless we have the means to crack it.
我们决不应该购买那些带有DRM的产品，除非我们有办法破除它。
Unless we reverse that, we'll be back in the same situation in a few years' time.
除非我们能够改变这一点，否则在几年之内，我们又会遇到同样的情况。
Unless we get the story of the crisis right, we may be disappointed by the sequel.
我们要把危机故事彻底弄清楚，否则接下来的事情可能还会令我们失望。
Unless we get more funding we'll be prevented from finishing our experimental programme.
除非我们得到更多的拨款，否则就会妨碍完成这项试验计划。
I don't believe that "technology" can take over our lives - unless we choose to let it.
我不相信“技术”能接管我们的生活——除非我们自己主动让它接管。
Unless we make serious changes, we are going to be in far more debt than we can afford.
除非进行重大的变革，否则我们将陷入远超自己可以负担的债务中去。
We won't surrender to God unless we trust Him, but we can't trust Him until we know Him better.
我们不会交出我们自己给上帝，除非我们信任他，但是在我们了解他之前，我们不信任他。
We both realized that, unless we did something, the meeting was going to become unbearably sad.
我们都明白，除非我们做点什么，否则这次见面会变得很悲凉，令人无法忍受。
But unless we get to work now, any breakthrough will come too late to benefit the baby boomers.
但除非我们现在开始工作，否则我们将不能造福于婴儿潮。
And we can't all export more while importing less, unless we can find another planet to sell to.
除非我们能找到另一个行星去销售商品，我们大家都无法实现出口增加，进口减少。
"America will never dream of security unless we will have it in reality in Palestine," he added.
他还说：“除非巴勒斯坦地区真正实现和平，否则美国将永无宁日。”
There is no excuse for delay, unless we want more dead people to follow lots more dead ducks.
我们没有任何理由拖延下去，除非希望在死了很多鸭子之后再死去更多的人。
There is no excuse for delay, unless we want more dead people to follow lots more dead ducks.
我们没有任何理由拖延下去，除非希望在死了很多鸭子之后再死去更多的人。
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