Some parents now are choosing to save the cord blood, have it frozen, locked away somewhere just in case it is useful to their child later in life.
现在有些父母选择保存脐带血，把它冷冻起来，锁在某个地方，以防日后对孩子有用。
It is useful in many ways, especially for people with disabilities.
它在很多方面都很有用，尤其是对于残疾人。
If you think it is useful to mark books, you will have to buy them.
如果你认为在书上做记号是有用的，你就得去买它们。
Life is very stressful nowadays, so it is useful for us to talk about how to cope with stress.
现在的生活压力很大，所以谈谈如何应对压力对我们很有用。
Some have compared the Hollywood studio system to a factory, and it is useful to remember that studios were out to make money first and art second.
有些人将好莱坞的电影制片厂制度比作工厂，而且有一点要记住的是，制片厂的首要任务是赚钱，其次才是艺术。
It is useful to carry out the measurements at the isosbestic point.
在等吸收点进行测量是有用的。
It is useful to enforce the four-eyes principle.
在此执行四眼原则非常有用。
It is useful for development and testing purposes.
这对于开发和测试来说很有用。
B: It is useful for checking the bearings and belts.
b：检查轴承和传送带的时候很有用。
For some tasks, however, it is useful have a graphical user interface (GUI).
但是在某些任务中，图形用户界面(GUI)十分有用。
It is useful to address controls and the definition of measures in two contexts.
在以下两种情景中处理控制及测量的定义是有用的。
It is useful to view such components as connected to the ESB, but not part of it.
这有助于查看这些连接到esb的组件，但它们并不是ESB的一部分。
I think it is useful to think of four sources of descriptive metadata in libraries.
我觉得把图书馆中的描述性元数据分为四类对于我们不无裨益。
It is useful that I can break out The Times for these calls separately, as Listing 5 shows.
所以能把这些调用的次数分开是有用的，如清单5所示。
Fine, but that implies it is useful for someone to be selling these kinds of instruments.
很好，但这点揭示出对于有些人来说出售这类金融资产是有用的。
Still it is useful to know what big players do and, more importantly, what they don’t do.
了解受欢迎的博客做了什么，更重要的是了解他们不做什么，也是很有用的。
But, in any emergency situation, she says it is useful to have several routes established.
但是她表示，在紧急情况下，建立几条路线是有用的。
This file has a lot of information in it, but only a small part of it is useful to our purposes.
虽然这个文件中有很多信息，但是只有很少一部分对我们是有用的。
It is useful to think that you are sending in messages and as a result getting back return messages.
认为您是在递送消息而结果得到返回的消息是有用的。
In some cases, it is useful to dump the threads to see exactly which method they are blocked on.
在某些情况下，转储线程对于要查看到底是在哪个方法上发生了阻塞是非常有用的。
However, for the purpose of our example it is useful to illustrate all the notifications emitted.
然而，考虑到本示例的目的，说明一下所有发出的通知是非常有用的。
If you want to make sense of world affairs, it is useful to identify the most significant events.
如果你想了解全球事务，确定最重要的事件会有所帮助。
It is useful to use the technique above for less frequently updated values, such as the store name.
对不常更新的值(如存储名称)使用上述技术将会很有用。
And although schemas provide some error handling, it is useful to complement them in the application.
虽然模式提供了一些错误处理，但是也需要在应用程序中加以补充。
However, it is useful to pass additional fault information in the SOAP section when an error state arises.
但是，当出现错误情况时，在SOAP部分传递附加的故障信息仍是很有用的。
Because the guide covers such as wide area of topics, it is useful for anyone starting with the NXT system.
由于这篇指南涵盖了广泛的领域，因此它对于每个开始着手NXT系统的人来说都是有用的。
I believe it is useful to look at what lies behind this achievement and what it promises for the future.
我认为，了解促成这种成就的因素以及对今后的影响将是有用的。
To understand HPC hardware, it is useful to contrast the vector computing paradigm with the cluster paradigm.
要理解HPC硬件，对向量计算和集群计算进行一下比较是非常有用的。
To understand HPC hardware, it is useful to contrast the vector computing paradigm with the cluster paradigm.
要理解HPC硬件，对向量计算和集群计算进行一下比较是非常有用的。
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