They allow you to save effort by doing work once instead of repeating it each time you need it.

它们让你通过做一次工作来省力，而不用你每次需要它的时候都重新做一遍。

Dr. Craven is coming to see you at once, if you'll allow him.

如果您允许的话，克雷文医生马上就来看您。

Once purchased and trained, this would allow the casual user to save money and time, freeing up precious space in our busy lives to read a good book.

一旦购买并训练好了这样的机器人，临时用户就能节省金钱和时间，从我们的繁忙生活中腾出宝贵的空间来读一本好书。

There are a number of different recycling steps that allow materials to be used more than once.

有许多不同的回收利用步骤可以使材料被多次利用。

When he heard that a service dog could allow him to ride the bus, he wanted to get one at once.

当他听说携带一条服务犬就可以乘坐公交车时，他想立刻拥有一条。

Word processor styles are like declarations of a variable in source code: They allow you to save effort by doing work once instead of repeating it each time that you need it.

文字处理器的风格就像是源代码中变量的说明，他们允许你把一次工作的努力保存下来而不需要每次需要的时候都重新做一遍。

Once you've created a frame for your application, you can begin to add the widgets that allow the user to interact with your application.

一旦已经为您的应用程序创建了一个框架，就可以开始添加窗口部件以允许用户与您的应用程序进行交互。

If you once allow yourself to regard a child as so much material for you to manufacture into any shape that happens to suit your fancy you are defeating the experiment of the Life Force.

如果你曾允许自己把孩子当成是可以塑造的材料，能够让你塑造出任何符合你喜好的形状的话，那么你做的关于生命力的实验就失败了。

Once smartphone platforms allow developers to initiate conversations and voice messages, you can bet voice will finally become flexible and fun.

一旦智能手机平台允许开发者们介入通话和语音留言，我敢打赌语音将会变得灵活而有趣。

These aspects of HTML allow us to focus our efforts in data extraction once we have the data in a format we can work with.

HTML的这些方面允许我们在一旦拥有可用格式的数据时能集中精力于数据抽取。

Don't allow yourself to feel pressured, because once you do it, there's no going back.

别让自己感到压抑，因为你一旦出柜，就没有回头路了。

Only allow yourself to do email once a day, for 30 minutes.

这样吧，每天只允许自己检查一次电子邮件，每次30分钟。

So I don’t allow myself to have conversations in my head about the benefits of sleeping in once the alarm goes off.

所以一旦闹钟一响我不允许自己在头脑中思考继续睡觉的好处。

These studios are referred to as interactive studios which allow the user to drag query items onto the report, one at a time or several at once, to dynamically generate a report.

这些工具被称为交互工具，它们能让用户将查询项目拖放到报表上，一次拖放一个或多个，动态生成报表。

An accordion may be configured so that only one panel can be open at a time, but many examples of accordions allow for multiple panels to be open at once.

手风琴导航可以配置成只有一次只有一个面板会打开，但是很多例子都允许同时打开多个。

Naturally, once a port is involved, security becomes an issue because you can't allow "just anybody" to connect up to the server and start issuing queries.

自然地，当涉及一个端口时，就得考虑安全性，因为您不能允许“所有人”连接服务器并进行查询。

Some application consultants even refuse to allow the applicant to see their application documents once the contract is signed.

有些申请顾问在签约后甚至不允许申请人查看申请文件。

Once the project is created, a new screen will be displayed, Image 5, that will allow you to configure your project and then import the report content into the project that is going to be compared.

项目创建好后，将显示一个新屏幕(参见图5)，允许配置项目，然后将报告内容导入将被比较的项目。

Once pthread_cond_wait() has the lock, it will then return and allow thread 1 to continue execution.

一旦 pthread_cond_wait() 锁定了互斥对象，那么它将返回并允许 1 号线程继续执行。

Once complete, the project will process web service metadata and allow for I deployment descriptor generators.

完成后，该项目将能够处理Web服务元数据，允许使用部署描述符生成器。

Once you do that, doubleTwist will automatically recognize your device and allow you to synchronize your media by category, playlists, individual files, etc.

一旦挂载成功，doubleTwist 就会自动识别设备并允许你通过类别、播放列表或单个文件等不同方式来进行同步。

Split-action buttons allow users to click once and get a default action or click a drop-down list to get a list of choices.

split - action按钮使用户可以单击一次获得一个默认的动作，或者单击一个下拉列表获得一组选项。

Lists allow the same socket to appear more than once in each list, but doing so doesn't make sense: conceptually, what is passed are sets of sockets.

列表中可以允许同一个socket多次出现，但是这样做一点意义都没有：从概念上讲，传入的应该是由socket组成的set。

There are simply no mechanisms built in that allow HTTP requests to be reliably delivered using once-and-only-once or retry-until-success semantics.

这里没有使用一次且仅一次（once-and-only-once）或者重试直至成功（retry-until-success）的语义以允许可靠传输 HTTP 请求的机制。

The file you can download there is a .deb, so simply double-clicking the package once you download it will allow you to install it, or, if you prefer the CLI way, you can install it with this command

你下载的这个软件包是.deb格式，所以一旦下载成功就可以双击来安装，如果你喜欢从命令行操作的话，可以用下面的命令安装

It is strange how much you can remember about places like that once you allow your mind to return into the grooves which lead back.

奇怪的是，一旦让自己的思路回到通往过去的老路上，关于那种地方，就能记起那么多事。

Because the specification does not allow for this once you create an original list, a workaround is critical to make real-world implementation possible.

因为一旦原始列表创建后，规范不允许进行扩展，因此需要找到一种方法实际实现扩展。

Once produced, they should be published into an asset repository along with searchable metadata that will allow these assets to be found and consumed.

产生之后，应将其发布到资产存储库，并提供可搜索元数据，以便能找到和使用这些资产。

Doing so will allow you to access this personalized start page from any computer once logged in.

这样你就可以从任何电脑上登陆并使用你的个性化主页了。