They will know what vaccines you will need and will be able to advise you on when you need to have them.
他们会知道你需要什么疫苗，并能在你需要接种这些疫苗的时候提供建议。
If you want to know whether your ladybro is true to you, just see whether she is there when you need her.
如果你想知道你的闺蜜是否真心对你，只需看你需要她的时候她是否在你身边。
There are environmental benefits, too: renting a car when you need it, rather than owning one, means fewer cars are required and fewer resources must be devoted to making them.
还有环境方面的好处：在需要的时候租一辆车，而不是购买一辆，意味着汽车的需求量更少，用于制造汽车的资源也更少。
Steve Sinclair, head of the company, said, "We have to build something that helps you when you need it and stays off when you don't need it."
公司负责人史蒂夫·辛克莱说：“我们必须制造一些东西，在你需要它的时候提供帮助，不需要它的时候则关闭。”
Plug-ins are best used when you need to add features to a component.
插件最好在您需要向一个组件添加特性时使用。
It's going to be the best camera, because it's there when you need it.
它将成为最出色的照相机，因为你需要时它总是在手边。
It makes me feel secure and hopeful to know that help is there when you need it.
在需要的时侯就会有人帮助，这让我有了安全感，有了希望。
Ask for help when you need it; seek the wisdom the world holds and hold on to it.
请求他人的帮助，当你确实需要的时候；在大千世界中寻找正确的判断然后坚持下去。
Even if you're habitually late, I'll bet that you can be prompt when you need to.
即使你习惯于迟到，我敢打赌，在需要的时候，你也会准时准点。
Adjust the central heating controls so that the boiler is only on when you need it.
调整集中供暖控制，以便锅炉只在需要时启用。
These utilities are very useful when you need to batch or script AD hoc transfers.
当需要通过批处理或脚本执行特殊传输时，这些实用程序非常有用。
The mistake your doc may be making: Sticking with lifestyle changes when you need drugs.
医生可能犯的错误：当你需要药物治疗时，仍然坚持改变生活方式的疗法。
This article doesn't get into all of that, but it's fairly easy to add when you need it.
本文不会深入讨论这一点，不过需要时可以很容易地添加安全检查。
One such use case is when you need to switch to another theme template using an URL.
此类用例之一是需要使用URL切换到另一个主题模板时。
These test utilities are actually rather useful when you need to debug some subtle error.
实际上，当您需要调试一些细微的错误时，这些测试实用工具更有用。
Use DigestSearch when you need to find one or more documents by a single keyword quickly.
当需要用一个关键字快速查找一个或多个文档时，可以使用DigestSearch。
You just ran out of shoe shine just when you need it for a job interview. Not to worry.
要去参加一次工作面试，鞋油用光了，不用担心。
The only time you need to shut down your system is when you need to add new physical disks.
唯一需要关闭系统的情况是在需要添加新的物理磁盘时。
There are times when you need to speak up in order to help your marriage and each other grow.
有些时候你需要说出来，以帮助你的婚姻还有另一半成长。
And when you need the web page, do you end up spending a lot of time trying to find it again?
当你需要这些页面时，你是否会经常花上大量的时间来重新寻找？
Using ThreadLocal makes sense when you need to store variable instances on a per-thread basis.
当您需要以线程为单位存储变量实例时，使用ThreadLocal 很有意义。
You can then ensure that lab resources and test environments are available when you need them.
然后当您需要的时候，您就可以使用实验资源和测试环境。
This heart-pumping song is perfect when you need a little extra boost in the middle of your run.
当你在半途中需要一点点额外的推力，这首激动人心的歌曲是最好的。
Others will turn to you for advice, and they'll be willing to help you when you need an extra hand.
别人会问你要忠告；当你需要帮助时，他们也会愿意帮你。
Use the adapter pattern when you need to convert an object of one type to an object of another type.
在需要将一类对象转换成另一类对象时，请使用适配器模式。
This will be easier if you have learned easy relaxation methods that you can use when you need them.
如果你学习了简单的可以随需随用的放松小方法，这就会简单很多。
This is important when you need your rules to be fired in a predefined order, as you'll see in a moment.
当您需要让规则按预定义顺序启动时，这一点非常重要，很快您将会看到。
This is important when you need your rules to be fired in a predefined order, as you'll see in a moment.
当您需要让规则按预定义顺序启动时，这一点非常重要，很快您将会看到。
应用推荐