我们怎样知道他的确存在？
How can we be sure that a person with an ID of 1 exists?
但我们如何保证ID为1的person实例确实存在？
How can we be sure that we can develop both? The following tips could help.
如何才能做到讲话既流利又准确呢？下面的建议也许会有所帮助。
Pierre: How can we be sure we'd be getting all the information that we need?
那我们怎么确定是真的得到了所有必要的信息呢？
How can we be sure that it will be any different with the goal of improving access to water?
我们怎样才能确保在改善用水供应的目标方面情况会有所不同？
But should they be trusted to take on such tasks, and how can we be sure that they never take a decision that could cause unintended harm?
但是他们承担这样的任务能被人们所信任吗，还有我们怎么才能保证他们永远不会做出一个会造成非蓄意的伤害的决定？
Long task lists can be merely a way to show how busy we are, when in fact we're not sure what to do next.
常常的任务单子可能只能显示我们有多忙碌—但实际上，我们可能连自己下一步要做什么都不清楚。
Neo's predicament makes one wonder, though: how can any of us be sure that we have ever genuinely woken up?
然而，Neo身处的困境让我们想问：我们怎么能确定自己曾经真正地醒来过一次？
Coming from a star who has worn a dress made entirely of meat, exactly what the column will be about is hard to say, but we can be sure it won't be how to match your handbag and shoes.
这位敢穿全身鲜肉装现身的专栏到底会是怎样的效果，那还真是让人难以预料，但是我们可以肯定Ga姐的专栏是不会是教你怎么搭配包包和鞋子的。
When we use our discernment about how we invest our personal energy, we can be sure that we choose only the best for ourselves and those we love.
当我们洞察到自己是如何分配个人精力的，我们就能够为自己和所爱的人选择最好的东西。
So how can we say that " justice means helping friends and harming enemies, " : Socrates asks, "when we may not even be sure " who our friends and our enemies really are?
所以我们如何能说，正义意指协助朋友并打击敌人「，苏格拉底提问，「尤其是当我们甚至无法确定，谁是真正的朋友及敌人？
How can we make sure no more evil will be spawned after eradicating the one at hand?
我们如何保证不会在消除罪恶的同时，产生更多的罪恶？
If we haven't got a clue where we came from, and have no idea where we are going when we leave, how can we ever be sure where we are now?
如果我们对于自己从何而来一无所知，对于我们离开时去向何处也毫无头绪的话，我们怎能确定自己现在何处呢？
We have put a lot of thought into how we can improve our corporate customers' experience at the ground and we are sure that touches like valet parking and concierge services will be attractive.
我们对改进客户使用场馆的经验费尽心思，我们肯定像代客停车和门房服务这样独到的东西是很有吸引力的。
More research will be needed before we are sure how infra - sound can be used.
我们必须进行更多的研究才会确切地知道如何可能利用亚声。
More research will be needed before we are sure how infra-sound can be used.
我们必须进行更多的研究才会确切地知道如何可能利用亚声。
So a short story about how we make them and for sure it can be done differently or better .
因此，短期内的故事，我们如何使它们和肯定这是可以做到的不同的或更好。
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。
We can not control fate, but they can choose how to face the reality, so when the less fortunate, be sure to learn tolerance.
我们无法左右命运，却可以选择怎样面对现实，所以，当遭遇不幸时，一定要学会包容。
At that time, you can be sure we will inform our audience just how they can accomplish that.
那时我们肯定会通知玩家该如何去做。
At that time, you can be sure we will inform our audience just how they can accomplish that.
那时我们肯定会通知玩家该如何去做。
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