除非它们是在接近满负荷的情况下运行，否则整体效率会很低。
Only if they operate at near capacity, otherwise, their overall efficiency is poor.
除非挪威、墨西哥和俄罗斯等非欧佩克国家将日产量总计削减50万桶。
Only if non-OPEC nations, including Norway, Mexico, and Russia, were to trim output by a total of 500,000 barrels a day.
除非我们任由失败拖累我们的脚步，否则失败无法阻止我们前进。
结交别人仅仅是个开始，如果你十分擅长结交别人，除非你建立了持续的友谊，否则那对你的社交生活毫无意义。
Meeting people is only the start, and if you get really good at meeting people, that does nothing for your social life unless you build lasting friendships.
为左侧的每个操作(正在公开的)定义一个实现(除非您不想现在就实现整个界面)。
For each operation on the left-side (that you are exposing), define an implementation (the only exception is if you don't want to implement the entire interface now).
一般来说，除非RnRMgr 不在运行，否则您很少会看到沙漏图标（即使看到，也最多只会出现几秒钟）。
Typically, unless RnRMgr is not running, you will rarely see the hourglass icon (and if you do, it only appears for a few seconds at most).
所以，喝水可以，但除非你喜欢，否则没有必要喝冰水。
当你写作时如果有家人或朋友在场，那就提前约法三章，告诉他们除非紧急情况否则不要打扰你。
If you have family or friends in the house when you write, establish some ground rules early on and tell them to disturb you only in an emergency.
除非每个国家都这样做，或者采取资本管制，这种办法才行之有效。
The only way it works is if every country is doing it, or with capital controls.
有困难时，除非你们需要人帮忙解决，否则不要来找我们。
购买的大部分还是爱好者，因为花359美元购买这么个设备，除非你用它读了大量的书，报刊杂志才有意义。
They are for aficionados, since paying $359 for a device makes sense only if you read quite a lot of books, newspapers or magazines on it.
在露营用品部，搭一个帐篷；告诉其他人，除非他们床上用品部拿来枕头，否则不会邀请他们一起露营。
Set up a tent in the camping department; tell others you'll only invite them in if they bring pillows from Bed and Bath.
但是除非你的竞争者不会也不能降价，这种方式才见效。
But this works only if your competitors won't, or can't, follow suit.
虽然机会很渺茫，但是值得探索，它的可行性在于如果卡扎菲和他的支持者相信除非如此否则他们将下台。
It's a long shot but worth exploring - and it's feasible only if Colonel Qaddafi and his friends believe that otherwise they are going down.
每月有信用卡债务——除非你乐于贫穷，只有这样每个月的信用卡债务才说得通。
Carry a monthly credit card balance - Carrying a monthly credit card balance only makes sense if you enjoy poverty.
除非确定烟囱没有受损，也没有裂缝，否则不要使用壁炉。
Use fireplaces only if the chimney has no damage and no cracks.
因为怕惹上官司，几位目击者和评论的人说，除非在有摄像证明他们不是事件的引起人的情况下，他们才会帮忙。
For fear of attracting a lawsuit, several witnesses and commenters say that they will only act if they have video evidence that they did not cause the accident.
琼：除非你保证对文化敏感一点儿！
另外一些人说除非欺骗或者虐待，否则不离开。
兄弟俩现在有麻烦，除非苏克雷帮忙找到他们，不然很难脱险。
The brothers are in trouble, and will only get out of it if Sucre helps him find them.
单身不是问题，除非你让它变成一个问题。
你没法销售内容本身，除非你自己建立了渠道，而即使这样你也赚不了多少，因为收费是一个很大的障碍。
You can only do that if you own the channel, and even then you don't make much from it, because a toll has to be ignorable to work.
但是，财政预算揭露了一个更严重的食言：不是将排放计划推迟到2013年，而是取消，“除非其他国家采取充分的行动”。
The budget, though, discloses an even bigger climbdown: instead of being delayed until 2013, the emissions scheme will now happen “only…if there is sufficient international action”.
但是，哈桑·赫雷谢，这位我行我素的议会首要成员和法塔赫成员则表示，立法会不能在近几个月召开，除非哈马斯在选举预备阶段的表现令人满意。
But Hassan Kherisheh, self-styled chief clerk of parliament and a Fatah man, says the council cannot be reconvened for months, and only then if Hamas behaves itself in the run-up.
除非假释委员会认为判刑的罪犯已经没有危害，他才有可能在服完刑之后被释放。
Offenders who receive the sentence may be released after doing their time only if the Parole Board decides it is safe.
除非所有主要的金融中心都强强联手，达成一致而坚定的共识，这一工作方能开展起来。
It will only work if all the major financial centres cooperate, and securing an agreement will be tough.
在睡眠过程你的身体也会燃烧脂肪，除非它被忙于处理一个填饱的胃。
Your body can burn flab while you sleep, but only if it isn't too busy processing a full stomach.
在睡眠过程你的身体也会燃烧脂肪，除非它被忙于处理一个填饱的胃。
Your body can burn flab while you sleep, but only if it isn't too busy processing a full stomach.
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