它的真正作用在于把人们从电脑旁解放出来，现在他们可以随时随地收到信息。
so what it really does is release people from their electronic tether to their PC, so now they can access their information from wherever they are.
第一句（window.AddSubview）被注释掉了，我们会在谈论ModelViewController（MVC）模式的时候来研究它的真正作用。
The first call (window.AddSubview) is commented out, and we’ll look into what that actually does a bit later when we talk about the Model View Controller (MVC) pattern.
当你真正意识到一个高效的环境的作用时，你会很自然地受到它的鼓舞和激励来完成工作。
If you can realize the power of having a productive environment, you will naturally feel inspired and motivated to get work done.
我们并不真正了解它背后的机制，但我们知道它具有这样的作用。
We don't really understand the mechanisms behind it, but we know it works.
问题是很多老师没办法理解他的真正的作用，或者是没有真正的去注意它。。
The problem is that most teachers don’t understand their purpose, or they just don’t care enough to give it any attention.
Profiling是一个非常有用的优化代码的工具，但是它的作用是判断问题的位置；它并不能真正指出潜在的问题是什么，以及如何解决这些问题。
Profiling is a useful tool for optimizing code, but all it does is identify the potential location of the problem; it doesn't actually point out what the potential issue is or how to resolve it.
Breathe是一个活动的厨房装置，它通过电离化真正起到了吸收空气中的污染物质的作用。
Breathe is a living kitchen appliance that literally ‘breathes in’ air pollutants through ionization.
把优惠券省下的钱变成真正的存款：剪优惠券固然很好，但别让它起反作用。
Turn coupon savings into actual savings: Clipping coupons is great-just don't let it backfire.
直到系统被技术环境接收并被使用，它才真正的发挥作用。
A system provides no benefit to anyone unless it is in an accepted technical environment and actually being utilized by the business.
如果你能控制利巴韦林的副作用，让它尽可能维持在一个高剂量，那么你就能真正治愈患者并防止复发。
If you are able to manage the side effects of ribavirin and keep its dose as high as possible, then you can really get a cure and prevent relapses.
学习和掌握这些知识有助于做好礼品赠送的工作，让礼品真正发挥出它表达情谊的作用和功能。
Learning and mastering the knowledge is useful to make a present so that presents could play fully their real roles and functions at expressing one's affections and friendship.
建模工作流过程真正的作用可能就是它建议的完成业务任务的多个替代办法。
The very act of modeling workflow procedures may itself suggest alternative ways of accomplishing business tasks.
电脑的真正作用在于它拥有代你工作的能力。
The real power of the computer is its ability to do the work for you.
它更可能是一些更加微妙，往往是一个综合因素，使真正的作用。
It is more likely to be something much more subtle and often a combination of factors that makes the real difference.
它更可能是一些更加微妙，往往是一个综合因素，使真正的作用。
It is more likely to be something much more subtle and often a combination of factors that makes the real difference.
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