Your resources are always finite, but the number of possible tests is always unlimited.
您的资源总是有限的，但是可能的测试数量总是无限的。
This is, of course, not always possible, but you should be aware of the limitations of floating point comparison.
当然，这并不总是可能的，但您应该意识到要限制浮点数比较。
Transmission may be less likely when you have a low viral load, but it is still possible so you should always take appropriate precautions.
病毒载量较低时传播的几率相对较低，但它仍然是有可能的，所以应该总是采取适当的预防措施。
That is a straightforward solution, but it is not always possible, or practical, for all situations.
这是一种比较简单的解决方案，但对于各种各样的情况，它并不总是可行的或实用的。
Ultimately cleaning as you go and having your home ‘visitor ready’ at all times is the way to go but that’s not always possible, at least not for me.
你可以选择把房子彻底打扫一遍，这样你家就能处于随时“待客”状态了，但这一般是不太可能的，只少对我是不可能的。
We'd like to reject uploads with a duplicate URL, but that's not always possible.
我们希望使用一个复制url拒绝上传，但这并不是总是可行的。
But they worked out that to take a route through a city, always take as many right turns as possible, even if the route is a bit longer, because that's going to be quickest.
但是，他们计算出通过一个城市的路线，始终尽可能多地向右转，即使这条路线会多远一点儿，因为这样做是最快的。
With health. I can try to eat right, and maybe I will. But when I deliberately decide that I will eat the healthiest food possible, I nearly always do.
我可以试着合理饮食，并且可能会做到。但如果我直接决定我会吃到最卫生的食物，我就总能成功。
It isn't always possible to define an interface in an abstract class, but in the light of evolution you should consider whether an abstract class is sufficient.
尽管并不是总能在抽象类中定义接口，但是在编程过程中总是免不了要考虑下一个抽象类够不够呢。
She says it's possible to keep refining the algorithms, but there will always be errors because the data available won't capture the whole pattern.
她说，不断完善的算法自然可行，但因为现有的数据将无法捕捉整个模式，识别总是会有错误。
Two strongholds of slavery; but in the first, deliverance possible, a legal limit always in sight, and then, escape.
两处都是奴役人的地方，不过在第一个地方，还有得救的可能，总还有一个法定的限期在望，再说，可以潜逃。
Due to the complexity of real-world data relationships, it is not always possible for estimates to be perfect, but there are a number of tools and techniques available to improve them.
由于真实数据关系的复杂性，估计值不总是准确的，但是有许多工具和技术可以改进它们。
I've heard that it's possible to control the course of our dreams via lucid dreaming, but I always assumed that it was an innate ability.
我听说可以通过清醒梦的方式来控制自己的梦，但我一直以为这是天生的能力。
If it isn't possible, don't let that stop you from making great software, but don't assume it's always impossible.
如果它是不可能的，不要让这一点阻止您生产优秀的软件，但不要假定它始终都是不可能的。
They'd like to find a COTS (Commercial Off The Shelf) solution for most of their projects, but that's not always possible.
对于绝大多数的项目，他们愿意找到一个商用现货（CommercialOffTheShelf）的解决方案，但这并不是总是可能的。
I have tried to make this article as clear and professional-looking as possible, but as always, typing and context errors or outright bugs may still remain.
我尽可能的使文章表达清楚和专业，但任可能存在一些笔误或明显的bug。
Of course, the best idea is actually spending some time in the countryside, but it's not always possible, so the only thing left is probably bringing some nature to your house instead.
当然，事实上最好的主意就是多待在乡村，可是这也并非总是可以实现的。因此，取而代之，把一些大自然的东西带到你的房子里可能就是让绿色留在我们身边的唯一方法了。
Of course, it's not always possible to answer these two questions, but don't assume you can't until you try.
当然，不见得总是能够回答出这两个问题来，但是也不要没试过就认为这两个问题没法回答。
It is sometimes possible to infer the meaning from the context, but not always.
有时候可以根据上下文推断出含义，有时候不可以。
But by carefully placing objects of different sizes so that the Angle always remains the same, it's possible to force perspective (see diagram b).
但是，如果通过小心的排列物体，以使这个角度保持不变，那么就有可能会改变这种远近关系。
Marriages are arranged, if possible between first Cousins but always within the same ethnic and social group.
婚姻是安排的，尽可能是近亲但是同一个种族和社会组织。
I always seem to do things last minute, but I am always thinking of starting the task as soon as possible, before the due date.
我总是到拖最后一刻才开始做事，但心里又总是想在截止期限之前尽快地开始。
In the past I always held that as long as you tried your best, everything was possible. But now it turns out not to be so.
以前老觉得，只要自己用心了，没有做不成的事情，现在看来真的不是这样。
For the purpose of this tutorial, I carefully named every layer but in the heat of the moment it is not always possible to take the time to perfectly name everything.
出于制作这个教程的目的，我细心地命名了每一个图层，但是在实际操作的时候，不大可能总是完美地命名每一个图层。
In theory, it's usually considered best to write programs that adapt themselves to any screen size, but that's not always possible, particularly with game development.
理论上来说，通常最好考虑写出的程序能让他们自己适应任何尺寸的屏幕，但是那总是不太可能，特别是游戏的开发。
Of course these tasks were always possible with HTML forms, but Ajax makes it easy to send data asynchronously in the background.
当然，这些任务总是能够通过HTML形式实现，但是Ajax 能更加便捷地在后台异步发送数据。
But in your internal environment, you might want to force the year always to be four numerical digits to be as unambiguous as possible.
但是在您的内部环境中，您可能希望将年份强制为4位数字，使其尽量清晰。
This nasty edge wasn’t always helpful, but it served a purpose, writes MrIsaacson: many would “end their litany of horror stories by saying that he gotthem to do things they never dreamed possible.”
这种让人厌恶的棱角不是时时有效，可是也会达到它的目的，作者这样写到，很多人在讲了一连串他们痛恨的故事之后，会说，因为乔布斯，他们做到了他们从来都想不到会成为可能的事情。
This nasty edge wasn’t always helpful, but it served a purpose, writes MrIsaacson: many would “end their litany of horror stories by saying that he gotthem to do things they never dreamed possible.”
这种让人厌恶的棱角不是时时有效，可是也会达到它的目的，作者这样写到，很多人在讲了一连串他们痛恨的故事之后，会说，因为乔布斯，他们做到了他们从来都想不到会成为可能的事情。
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