Ask anyone who has ever served on one. They'll tell you there are only two types of ships in the world: submarines and targets.
去问任何曾经服过兵役的人吧。他们会告诉你世界上只有两种船：潜艇和目标。
Because you have only one life and only one chance to do all the things you want to do.
因为你的生命只有一次，也仅有一次机会去做你所有想做的事。
Here, we have only one operation and interface, so you can define the qualifier at any level.
我们此处仅有一个操作和一个接口，因此可以在任何级别定义限定符。
However, in this example, you have only one input card and one output card, so you can leave the rest of the tabs as default.
然而在本例中，您只有一个输入卡和一个输出卡，因次您可以让选项卡中的其余部分保留默认设置。
You make only one call per entity and get all the data there is to get.
只对每个实体调用一次，并一次获取所有能获得的全部数据。
Whatever the reason, when you're stranded and you have one investor the only way out is to find new outside investors.
不管什么原因，当你被搁浅的时候，而且只有一个投资者，唯一的出路就是找到其他的投资者。
This is the command screen you developed; it has the correct screen title and only has one selector in the dialog.
这就是您开发的命令屏幕；它具有正确的屏幕标题，并且对话框中只有一个选择器。
You see we're very busy in the office and only one of us could come, so we tossed up for it.
您知道我们在办公室里有非常忙，我们俩只能来一个，所以就掷币来决定由谁来。
Take any of the things you wish to do (it doesn't matter which one.), and do it, and only it.
在你想要做的事情中任选一件(任一件都可以)，只做这一件，把它做完。
In both cases, you will find only one object and the properties displayed will be the same.
在两种情况下，您会发现只有一个对象和被显示的属性是相同的。
If the list of items has only one entry, then the JSON produced will not have square brackets () and you must do some special handling.
如果条目列表中只有一项，那么生成的JSON将没有方括号()，而您必须对其做一些特殊处理。
You are the only one who can change your life. You are also the only one who can determine your happiness, dreams and achievements and who can help yourself.
你是唯一能改变自己生活的人，你也是唯一能决定自己的幸福、梦想和成就的人，你还是唯一能帮助自己的人。
You told me I made you speechless, maybe you were right or maybe only those humorous boys can be accepted by you, and I, the boring one, can only watch you from a corner.
你说我让你无语，也许你是对的，或许只有那些让你笑个不停的男生才会被你认同，不会说话的我只能在那一角注视着你。
But fear not, because you have just stumbled upon the one and only article that gives the game loop the attention it deserves.
但别担心，因为你正好遇到这篇文章，这是唯一一篇给予游戏循环应有重视的文章。
Of course, you might prefer to have both phones get their data from the same back-end source, where you can edit names and Numbers in only one place.
毫无疑问，您肯定希望这两部电话从同一个后端数据源获取数据，这样您就只需在一个地方编辑姓名和电话号码。
Your phone is always with you and knows where you are, and you're probably the only one who USES it.
手机总是被你随身携带，随时掌握你的位置，而且你很可能是唯一使用该手机的人。
What This Says About You: Obviously if there's an emergency and you're the only one around, the pressure to help out increases massively. You feel 100 percent responsible for what happens.
结果分析： 由此推及，在紧急情况下，假如你是当事人身边的唯一一个人，你参与援助的动力将大大增加，你将感觉到对此事具有100%的责任。
OK, so now you know how to form a habit — and remember, only do them one at a time — but you want to know the seven little habits.
现在大家知道怎样养成一个习惯了——记住，习惯要一个一个养——那么，那七个改变人生的习惯是什么呢？
Only one root element is in the file, and you need this "wrapper" to contain it all.
一个文件只能有一个根元素，并且需要使用“包装器”包含它。
Note: As you'll discover later in the article, one of the keys to configuring and maintaining a secure server is to only install what you think you're going to need.
注：正如您将在本文后面会发现的，配置和维护一个安全的服务器的关键之一是仅安装那些您认为将会需要的东西。
To keep the example simple, you only grab the first one and store it in your global variable.
为了保持示例的简单性，我们只抓取第一个并保存在全局变量中。
If he sounds happy that you call during the day, invites you to his office and takes you to company parties, you're most likely his one and only partner.
如果他白天接到你的电话很开心，邀请你到他的办公室，带你参加他的同事聚会，那么你往往是他唯一的伴侣。
It's important to plan the project, because once you're in front of the moon, it rises so quickly and you only have one chance to get the shots you want.
制定这个计划很重要，因为一旦你站在月亮前面，它上升得很快，你只有一次机会去拍摄你想要的照片。
Time travel works!“ the note read. “However you can only travel to the past and one-way.
“时光旅行是真的”，纸条上写道，“然而你只能单程回到过去”。
The only infrastructure you need in place is one to manage sales, marketing, and distribution.
只需要对销售、市场营销和发行进行管理的基础结构。
The application needs to be consistent with itself. You always want one and only one way of doing something within an application.
程序需要保持自身的一致性，在程序中做每件事都只能有一种方式。
Imagine if, for every meal you make, you have to go to the grocery store and purchase only the food you need for one meal.
设想一下，在每一次准备餐点时，您都必须去副食店购买一餐所需的食物。
You have built this into the forum as a button that is only shown to the author, and you even verify that the author is the one who made the request before performing the actual delete.
在论坛中，已将删除功能实现为仅显示给创建者的按钮，甚至还检验创建者是不是发出请求的人，然后再执行实际的删除操作。
And at the end of our conversation he grinned and said, "you know, you're the only one who ever stops to talk to me around here, and you're the President and CEO."
在谈话结束的时候，他笑着对我说，“你知道么，你是唯一一个会停下来和我说话的说，但你是这里的大老板和CEO啊。”
And at the end of our conversation he grinned and said, "you know, you're the only one who ever stops to talk to me around here, and you're the President and CEO."
在谈话结束的时候，他笑着对我说，“你知道么，你是唯一一个会停下来和我说话的说，但你是这里的大老板和CEO啊。”
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