People may not be sure about life on Mars until a sample of life is brought back.
人们可能不确定火星上是否有生命，直到一个生命样本被带了回来。
I'm sorry, but I can't be sure about that.
不能保证会是这么个结果…但我会尽力做。
Be sure about the purpose of writing the feature story.
确定好写特写的目的。
The business stakeholders will not be sure about some requirements.
业务利益干系人将无法确定某些要求。
Know your objectives, and be sure about what you're hoping to achieve.
知道自己的目标，并确定您希望得到什么。
No one can be sure about the future but it definitely is a bright possibility.
没有人可以肯定未来，但它肯定是光明的可能性。
The researchers point out that there are many things they cannot be sure about.
研究人员指出，有很多事情是他们无法确定的。
Before you buy any wireless equipment, you need to be sure about what you're doing.
之前，你买任何无线设备，你必须要知道你在做什么。
But Professor Bedau says that nobody can be sure about the results of making new forms of life.
但是Bedau教授说没有人对制造新型生命的后果打保票。
Good quality is important to them, and they believe they can not be sure about the quality of the things on TV.
好的质量对于他们来说很重要，而且他们相信他们无法确定电视上的商品的质量。
For the future, I can only be sure about one thing: most of the people will choose not to wake up in the Matrix.
对于未来，我唯一能够确定的是：大多数人都会选择不从“母体”中醒来。
There were many I didn't know, and others I couldn't be sure about because they were so covered in green parasites.
这里有许多我不认识的树，还有有一些树我没法确认，因为它们都覆盖在了密密麻麻的绿色藤蔓植物下。
As far as I am concerned, the only true stupid thing you can do is not to be sure about something and don't dare to ask!
在我看来，最愚蠢的事其实是知道自己有问题，但却不敢问。
But what we can be sure about is that for love and for happiness of life, we should try, no matter how much it will cost.
但能确定的是，为了爱情为了幸福的人生，我们应该奋不顾身，不计一切代价。
No one can be sure about his future. Future is not what fortune teller tells you. It is created by yourself. ——Bill Gates.
没有谁能够对未来了如指掌，未来并不是靠算命先生那张嘴说出来的，而是靠你自己创造出来的。 ——比尔·盖茨。
I can get along with everyone. All I want to be sure about when it comes to my boss and colleagues is that they are qualified for the job we do.
我和每一个人都可以处得很好，我只希望我的上司和同事有能力做好我们的工作。
If I purchase drugs from a company that has multiple facilities, how can I be sure about the quality of the specific compounded drugs I purchase?
如果我从有多个工厂的一个公司购买药物，我怎么确定购买的特效调制药品的质量？
Rewrite has its advantages however, in most situations it is a riskier option and the teams can never be sure about the outcome. As Joel on Software suggested
重写也有其自身的优势，然而在很多情况下它是一种有风险的选择，并且团队可能永远都不确定产出物的情况。
Be sure to read about how mozzarella is made, on page 65.
务必要阅读第65页上如何制作莫泽雷勒干酪的内容。
When people are having a picnic, but it begins to rain, they will be so sure about something that shows the weather is going to be fine very quickly.
当人们正在野餐，但开始下雨时，他们会非常肯定地认为天气会很快好起来。
Be sure to add to it whenever you hear about a good book.
当你听到一本好书时，一定要把它加进去。
Make sure to be honest about how you feel and how long you've felt that way.
一定要诚实地说出你的感受以及你有这种感觉多久了。
Traditional dance teachers did not welcome it because they thought it was not even a real dance and were quite sure about its demise but Swing has proved them wrong; it continues to be one of the world's most fun dances.
传统舞蹈老师不欢迎它，因为他们认为它甚至不是一个真正的舞蹈，并非常确定它会消亡，但摇摆舞证明他们错了；它仍然是世界上最有趣的舞蹈之一。
It could be anything—gardening, cooking, music, sports—but whatever it is, make sure it's a relief from daily stress rather than another thing to worry about.
它可以是任何事情——园艺、烹饪、音乐、体育——但无论它是什么，确保它能缓解日常压力，而不是另一件需要担心的事情。
And we can be doubly sure about his father's influence because those who know Obama well testify to it.
而且关于其父的影响力这一点，我们可以得到加倍的确认，因为认识奥巴马的人可以证实。
To be sure, I have no illusions about it.
当然，这并非是我的错觉。
To be sure, I have no illusions about it.
当然，这并非是我的错觉。
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