The only thing we have to do to free memory is to take the pointer we're given, back up sizeof (struct mem_control_block) bytes, and mark it as available. Here is the code for that.
为了释放内存，我们必须要做的惟一一件事情就是，获得我们给出的指针，回退size of (struct mem_control_block)个字节，并将其标记为可用的。
Emulators enable you to mimic a partner if one is not available, since we have the actual components, we do not need to mimic them.
如果合作伙伴不可用，可以使用模拟器来进行模拟，由于我们有实际的组件，因此不需要模拟器。
“We do have life jackets available, if need be, ” says Mr Coffin with a smile as he lights a cigarette.
科分先生点燃了一根烟，笑着说：“如果需要，我们有救生衣。”
I'm afraid we have no double rooms, but we do have some twin rooms at RMB 1,000 and RMB 1,500 available.
恐怕我们没有双人床房间，但是我们还有几间价位1,000元及1,500元人民币的两张单人床房间。
Available resources - do we have what's needed to do this job?
可利用资源-完成这项工作需要的资源？
We do understand that some people do not have the options available to them that others do.
我们理解一些人并没有那么多选择。
Please wait a moment, sir. I have to check jf there is a room available. Yes, sir. We do have rooms on April, 14.
请稍等，先生。让我查一下是否有房间。好的，先生。我们4月14日有房间。
And we do have emergency stock available, of course this emergency stock will last for a couple of days or weeks ahead.
但是我们确实有一些紧急储备，这些储备可以供应几天或者几周的时间。
The more we feel devalued — and we all do at various times, to varying degrees — the more energy we spend defending and restoring our value, and the less energy we have available to create value.
很多时候，我们总是不同程度被人贬低，我们越是感到被贬低，越是会花费更多的精力去捍卫和重塑我们的存在价值与意义，事实上，我们反而越是乏力，能够创造新价值、意义的精力越少，有心无力。
Questioner: Does the fact that we are in this transition period now have anything to do with the reason that you have made your information available to the population?
发问者：目前我们处于过渡时期的事实，是否与你将信息带给我们人类的原因有关？
Just a second. I'll check…Yes, sir, we do have an available seat on Northwest Flight 901.
请稍候，我查查看……，是的，先生，西北航空公司901班次有空位。
As a result, we have more time available to do other things to make our life more colorful.
因此，我们拥有了更多的时间去做其他的事情，使得我们的生活更丰富多彩。
Thank you for waiting, I'm afraid we have no double rooms, but we do have some twin rooms at HK1000 and HK1500 available.
让您我等了，我们恐怕没有双人床的房间，但是我们还有一些价位在1000元和1500元港币的两张单人床的房间。
Of course we do not go to restaurants or if we do go to return friends'hospitality once or twice it is always just at the time when water shield is not available so we have not had it once this year.
我们当然不上馆子，偶然有一两回去扰朋友的酒席，恰又不是莼菜上市的时候，所以今年竟不曾吃过。
We do have some plans to help avoid similar situations in the future, and we'll share more details when they become available.
我们有一些计划来改变这个情况，我们会在他们即将上线时分享给大家。
Do you have available to you what we call the hacker editions in more details on those in the courses syllabus?
你是否有黑客版套题，比教学大纲上的版本更详细？
The old paradigm of karmic driven relationships is still available but we do not have to choose it.
的旧模式的业驱动的关系，目前还可以使用，但我们没有选择它。
The download is now available from the Microsoft Download Centre. We have not yet had the opportunity to play around with it, but will let our readers know if anything is new as soon as we do.
现在你可以从微软下载中心下载到，我们现在还没机会体验他，但是我们会尽快告诉读者有什么更新。
We do not have any high through put test available that are clinically useful and for that it is a big deal in HDL research.
我们没有很多的可以指导临床应用的试验数据，对HDL的研究来说这是一个问题。
We do not have any high through put test available that are clinically useful and for that it is a big deal in HDL research.
我们没有很多的可以指导临床应用的试验数据，对HDL的研究来说这是一个问题。
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