What is not certain is whether we should follow, or be suspicious of, what our bodies are telling us.
不确定的是，我们是否应该遵循或怀疑我们的身体告诉我们的东西。
The seed suppliers tell me things will be better next year, but I am not certain I trust them.
种子供应商告诉我明年情况会更好，但我不确定是否能相信他们。
I'm not certain it's meaningful unless you are in the habit of giving your furniture personal names.
我不确定它是否有意义，除非你有给家具起人名的习惯。
The same is not certain when it comes to students from more disadvantaged backgrounds.
对于家庭背景更贫困的学生来说，情况就不一定了。
The effort in St Louis to rename Delmar Boulevard is not certain to succeed.
在圣路易斯重新命名德尔玛大道的努力未必会成功。
If you're not certain of your users' work habits, choose this category of user activity.
如果您不确定用户的工作习惯，那么可以选择这种用户活动。
It was not certain as The Economist went to press that Kraft would go ahead with its bid.
至经济学人发刊时还没有确定卡夫是否准备继续出价。
The development path seemed confusing, and the future of this solution was not certain to us.
Mambo的开发路径似乎有点儿混乱，而且对于这个解决方案的未来我们也没有把握。
It is also helpful to consider whether or not certain concerns are within or beyond your influence.
考虑一下某些顾虑是否在你影响范围之内是有帮助的。
Given the scale of the damage, it is not certain the cooling systems will work even if power is restored.
受损程度如此严重，就算在电力恢复的情况下，冷却系统能否正常工作仍旧是个未知数。
"So," Socrates continued, "you want to tell me something bad about him, but you're not certain it's true."
“那么，”苏格拉底接着说，“你想告诉我关于他的不好的事，但你又不能确定那是不是真的。”
Civil wars are so costly that well-timed military actions are quite likely (though not certain) to be cost-effective.
内战的代价如此高昂，因此，适时的军事行动很可能是成本有效的(尽管这不是必然的)。
Yes, dear, you would have. I would, if I'd been the same person then as I am now. Or perhaps I would - I'm not certain.
没错，亲爱的，你会这么做，我也会，如果我现在还是原来的我的话。或者也许我会这么做，但我不敢肯定。
I'm not certain whether this is good news or bad news, but the connection between your job and your happiness is overrated.
我不确定是否这是一个好消息还是一个坏消息，但你的工作和你的快乐程度之间的关系是被高估了。
Complicating this issue is that scientists are not certain how much mercury-tainted fish is needed to trigger health problems.
使这个问题复杂化的是，科学家们无法确定吃多少汞污染的鱼，才会触发健康问题。
In other words, it's not certain which came first: the health benefits of red wine, or that wine drinkers are healthy people.
换句话讲，很难判断喝葡萄酒的人更加健康是因为葡萄酒对人身体的好处，还是因为喝葡萄酒的人本身更加健康。
How do you determine policy when you don't have the hard scientific facts and when a public health threat is probable but not certain?
如果不掌握确凿的科学事实，而公共卫生威胁很可能发生但并不确定，则如何来决定政策？
If that rate stays consistent, which is not certain, Africa's population will more than triple to 3.6 billion by 2100 from the current 1 billion.
如果该比率保持稳定(但还不确定)，非洲人口将在2100年涨至36亿，是目前人口(10亿)的三倍多。
Mr Jogi admits he is not certain how many children his series of four wives have borne him - but counts at least 12 sons and nine daughters and 20 grandchildren.
Jogi先生说他已经不记得他的四任妻子一共为他生下了多少个孩子，但是至少有12个儿子、9个女儿和20个孙子孙女。
But do not make up information or provide facts or figures about which you are not certain. An honest "I dont know" or a very brief statement is more appropriate.
但不要捏造信息或使用你不了解的事实或数据，一句诚实的“我不知道”或一个简洁的声明会更合适。
Doesn't measure pure intellect - we're not certain exactly what it does measure - differences do matter, and a higher I.Q. correlates to greater success in life.
智商很重要，因为它并不是单纯对智力的衡量，虽然我们也不能确切肯定智商究竟衡量什么——差异很重要，高智商和成功的人生有紧密关联。
Contrary to popular opinion, I am not certain that a compensation analyst from outside the company is needed to set up a system in a company with fewer than 50 employees.
与主流意见不同，我不能肯定一个有少于50名员工的公司需要外聘一名薪酬分析专员。
While Thay sees following these trainings as a way out of the environmental mess we are in, he is not certain that people are yet ready to change their consumerist way of life.
虽然老师视这些训练为摆脱我们环境混乱状态的方法，但是他并不确定人们已经准备好改变消费至上的生活方式。
Theoretically, different people thinking of the same word or image would have the same activity in their brains, but since no one really knows exactly how the brain works, this is not certain.
理论上来说，不同的人在想一个相同的词语或者是图片时会在大脑里有相同的活动，但是因为没有人真正明白大脑是怎样工作的，这个理论具有不确定性。
What her last illness was, I am not certain: I conjecture, they died of the same thing, a kind of fever, slow at its commencement, but incurable, and rapidly consuming life to wards the close.
她最后得的是什么病，我不大清楚，我猜想他们是因同样的病而死去的，即一种热病，病起时发展缓慢，可是无法医治，而在最后很快地耗尽了生命。
What her last illness was, I am not certain: I conjecture, they died of the same thing, a kind of fever, slow at its commencement, but incurable, and rapidly consuming life to wards the close.
她最后得的是什么病，我不大清楚，我猜想他们是因同样的病而死去的，即一种热病，病起时发展缓慢，可是无法医治，而在最后很快地耗尽了生命。
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