The first one can be handled by what is know as progressive enhance or graceful degradation.
第一个级别的可访问性可以通过所谓的“逐步加强（progressive enhance）”或着“优雅降级（grace degradation）”来实现。
After undergoing a boiling process, it is changed into what is know as green liquor and combined with lime to form white liquor.
在经历一个沸腾过程中，它是转变知道什么是绿色酒和石灰结合，形成白色的酒。
It is a wise choice to put some money aside for emergency as we never know what will happen tomorrow.
存点钱以备不时之需是明智的选择，因为我们永远不知道明天会发生什么。
He has to know as a professional lawyer, and what is more, he has to apply it on his feet, in the dark and rain, running down an alley after someone he wants to talk to.
作为一名职业律师，他必须知道，更重要的是，他必须用双脚实践，在黑暗中，在雨中，在小巷里追着他想要谈话的人跑。
How you present the content in a test essay is as important as what you know.
在一个论文测验中，你怎么介绍论文的内容与你知道些什么一样重要。
What we do know is that as we include longer time intervals, the record shows increasing evidence of slow swings in climate between different regimes.
我们已经了解到的情况是，随着我们纳入的时间跨度变长，这一记录提供了越来越多的证据表明气候在不同的统治期存在缓慢的波动。
As for what to do with a haunted house, the methods vary; running out the front door screaming is one option, but you can also get to know the spook.
至于如何应付鬼魂屋，方法各异；一个选择是尖叫着跑出前门，但你也可以了解这个幽灵。
As we all know, ripening is what gives every tomato more taste.
我们都知道，成熟会让每个番茄更有味道。
He sees it as a life-long task to let more westerners know what China is like.
他把让更多西方人了解中国是什么样子看作一项终身任务。
As we all know, punishment and violence seldom work and will never teach the children what the right way to act is.
众所周知，惩罚和暴力很少会起作用，它们永远都不能教会孩子什么是正确的行为方式。
What he does as you know is takes over a company and shakes them up and in some cases is accused of stripping their assets.
就像你们知道的那样，他所做的，就是接管一个公司然后将其整顿改组，同时，在有些情况下，剥削它的资产。
Who knows. What I do know is that it’s far too slow as a consumer device.
唯一我知道的就是，作为一款消费型设备，它的速度完全不够格。
Some people don't even know what a dividend is, they just think of stock as something whose price goes up.
有些人甚至都不知道股利是什么，他们仅仅把股票想象为一种会升值的玩意？
Do you know what is stronger than steel, lighter than a feather and as elastic as a rubber band?
你知道有什么是比钢铁还要强，比羽毛还要轻，和橡皮筋一样有有弹性吗？
As it is often easier to know what you do not want than what you want.
而知道自己不想要什么往往比知道自己想要什么更简单。
Know who you are as a designer and what your point of difference is.
作为一个设计师，你要知道自己到底是怎样的一个人，以及对于差异的观点是什么。
To make money as a trader you have to know what the market is going to do next.
作为交易者，如果想赚钱，你必须知道市场下一步怎么走。
Do you know what is stronger than steel, lighter than a feather and as elastic as a rubber band? '?
你知道有什么是比钢铁还要强，比羽毛还要轻，和橡皮筋一样有有弹性吗？
They hold up 50, 60 years later, as stills, without dialogue. You know immediately what it is.
“即使在5、6十年后，无需对白，你也立刻就知道它在说些什么”。
This is the bedrock of what we do as journalists — we have to know how to talk to people, draw people out and draw their humanity out.
这是作记者的基本能力——你必须知道如何与人们交谈，挖出他们的内心世界，挖掘出他们的人性。
For those going away to study or work in an English environment, they have to learn to listen, because they need to know what is bouncing back to them so as to reply.
对那些要出去在英语环境中学习或工作的人来说，他们就得学会听，因为他们得明白别人说了什么才可以做出反应。
And we know exactly what is put forth as reasons for believing that thing, which are the premises.
我们明确地知道什么放在前面，作为相信那件事的原因，也就是前提。
We must be open about what we know and what we do no know - and in a fast moving world what you do not know is often as important as what you do know.
我们必须对自己知道什么和不知道什么采取一种坦率的态度，在一个快速运转的世界里，你不知道的常常和你知道的同样重要。
What they may not know is that some bottled water may not be as pure as they expect.
他们不知道的是有些瓶装水并不像他们想象的那么纯净。
But what about the claim that none of this matters, because Medicare as we know it is unsustainable?
但是，如何评价那些认为所有这些都没有关系，因为我们所知的老年医保无法持续的观点？
Changing anything often invokes fear in people; it is something new and, as such, we don't know what is involved.
任何事物的改变都经常引起人们的恐惧：新的事物出现，就其本身而言我们也不了解其内涵。
So this is what we know as a byte.
这就是我们所说的一个字节。
That is, is knowing French really so obviously central to engaging what we know in 2010 as the world, or is it that French is a kind of class marker?
换而言之，对于处在2010年的我们，会说法语对理解这个世界真的如此不可或缺么，还是说，法语是一种格调的标志？
In the realm of research, finding out what you don't know is almost as important as knowing what you do.
在研究领域，找到许多你未曾认知的事物如同了解并熟悉你的研究同样重要。
In the realm of research, finding out what you don't know is almost as important as knowing what you do.
在研究领域，找到许多你未曾认知的事物如同了解并熟悉你的研究同样重要。
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