What Descartes has done is find at least one thing that he can be certain of.
笛卡尔所做的就是找到了至少一件他能确定的事。
How long do we have to run an experiment before we can be certain of the results?
我们进行多久测试后才能确定得到的结果？
I wanted to be certain of my own wisdom by copying Solomon, who had knowledge of hyssop and of tree.
我希望仿效通晓牛膝草和树木知识的所罗门王，确信自己的智慧。
And remember you don't need a certain number of friends just a number of friends you can be certain of.
请记住，你不需要一定数量的朋友，只要有一些你可以确定的朋友就够了。
No matter what stance you take be certain of one thing; your reputation will precede you.
不管你的立场如何你都要确信一件事情；你的声誉会代表你。
All it needs to be certain of is that whatever port number it USES be unique on its host.
它仅需要确定其主机使用的端口是唯一的。
Or perhaps this sleep pattern makes me more prone to injury. I can't be certain of the cause.
当然也可能是多相睡眠本身造成的，目前我还不是很确定。
As yet, she cannot even be certain of the degree of her own regard nor of its reasonableness.
迄今为止，她甚至都无法确定自己对他关注的程度是否妥当。
There is only one corner of the universe you can be certain of improving and that's your own self.
在宇宙中只有一个角落能让你提升，而这个角落就是你自己。
There's only one corner of the universe you can be certain of improving, and that's your own self.
这个宇宙中只有一个角落你肯定可以改进，那就是你自己。【每天反省，超越千万人】。
There is only one corner of the universe you can be certain of improving, and that's your own self.
这个世界只有一个地方你确定可以改进，那就是你自己。
Remember, you don't need a certain number of friends, just a number of friends you can be certain of.
记住，你不需要有多大一帮朋友，你只需要有几个你可以完全信任和确定的朋友。
And remember, you don't need a certain number of friends, just a number of friends you can be certain of.
请记住，你不需要一定数量的朋友，只要有一些你可以确定的朋友就够了。
If your answer is yes, then you are wrong again. All we can be certain of is that the relative speed between the two trains changed.
如果你回答说是的，那么你就又错了。我们所能够完全肯定的一点只是这两列火车之间的相对速度变了。
If the two Numbers match, the recipient can be certain of the document's integrity because it could not have changed during transmission.
如果这两个数字相匹配，接收方就可以肯定文档的完整性，因为它在传输过程中没有改变。
Similarly the principles on which your life is based may be entirely sound, but until you've examined them, you can't be certain of this.
与此相似，作为你的生活基础的那些原则，或许完全是说得过去的；但是，在你细究之前，你对此是拿不准的。
BACK in the 1980s, marketers could be certain of reaching 90% of American households with an advertisement on prime-time network television.
回顾上世纪八十年代，市场营销人员只需要在电视网黄金时间投放广告便可以确保对美国家庭的送达率达到90%。
He cautions that only 60 babies have been born using this technique so far, and with such low Numbers it is not possible to be certain of success rates.
他指出目前为止只有60个婴儿是利用这项技术出生的，如此少的数量不可能确定成功率的高低。
However, wherever you go in Italy you can be certain of enjoying two things for which the Italians unquestionably lead the world - ice-cream and coffee.
然而，无论你在意大利什么地方，都能品尝到意大利的两种闻名世界的东西——冰激凌和咖啡。
Because other forms of respiratory infection including PCP are common among HIV-infected people, doctors must be certain of diagnosis before administering antibiotics.
由于包括卡式肺囊虫肺炎在内的其他呼吸道感染，在HIV病毒感染者身上很常见，医生在使用某些抗生素前必须对诊断结果确认无疑。
Because other forms of respiratory infection including PCP are common among HIV-infected people, doctors must be certain of diagnosis before administering antibiotics.
由于包括卡式肺囊虫肺炎在内的其他呼吸道感染，在HIV病毒感染者身上很常见，医生在使用某些抗生素前必须对诊断结果确认无疑。
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