But sadly, no central planner can know which people need to go where when and how much value should be attached to each trip. Only the individuals themselves know this.
但遗憾的是，没有哪个中央计划系统能知道人们什么时候需要去哪儿，以及他们的行程有多大价值，这只有当事人自己才知道。
Only this time, instead of a sugar pill, he actually gave them small dosage, not dangerous but small dosage of ipecac, now those of you who know what ipecac is?
只是这一次，他没有用糖丸，事实上他给了她们小剂量的，没有危害但小剂量的催吐剂，你们有谁知道催吐剂是什么吗？
Most tools I know of only support the latter (2001) namespace form, which may be why the W3C decided to go back to it, but they did sow a bit of confusion with this namespace change and reversal.
据我了解，多数工具只支持后一种(2001)名称空间形式，这可能是W3C决定回到原来的名称空间的原因，但这种名称空间的变化和撤销确实带来了一些混乱。
Obviously, if you know which file has changed you could only copy that, but you won't always know this information.
显然，如果知道哪些文件修改过了，就可以只复制这些文件，但是不总是能够知道这一信息。
But what I do know is this: Put a man of a certain age up on the big screen and he's not only viable as an actor, but might generate some fantasies: George Clooney is 50.
但是我知道的是：把一个特定年龄的男人放在大荧幕上，他不仅可以以演员身份养活自己，而且能产生一些幻想：乔治·克鲁尼50岁了。
There were so many interesting items, but I only made one purchase this day, and though I know you would all like one as well, this is for me.
这里有太多好东西，但是这天我只买了一样，我知道你们都想要一个，但这个是给我的。
The consumer needs to know the URI for the proxy's endpoint and so USES UDDI to find the address, but in this case, UDDI only returns a single URI, so the consumer doesn't have to choose.
使用者需要知道代理端点的URI，以便使用uddi查找地址，但是在本例中，UDDI只返回单个uri，因而使用者不必选择。
But as we know, this profit can only be fully realised if workers proceed to buy all the consumer products they have produced.
而资本家正是通过找出其中的不同来获取利益的。但是正如我们所知，只有工人购买所有他们生产的消费品才能使资本家实现这个收益。
(I know, I said I wouldn't talk about cost, but in this case paying only for what you use means your budget for testing can go farther).
(我知道，我说了将不讨论成本，但是在这种情况下仅支付您使用的资源意味着您对于测试的预算可以更进一步)。
Probably you know about this a lot more than I do, but Trenton is structurally designed to accommodate 150,000 people, but only 5,000 people lived there.
也许您这方面了解得比我多，但特伦顿的构造设计，就是要容纳，十五万人然而只有五千人住在那里。
O Angel, I tell you all this not from vanity - you will certainly know I do not - but only that you may come to me!
啊，安琪尔，我告诉你这些不是因为虚荣——你肯定知道我不是一个虚荣的人——我只是想到你也许要回到我身边来！
If the doublecross happened only once, you might decide to continue the friendship, but let this guy know that his behavior is unacceptable.
如果出卖朋友行为只发生了一次，你可以决定继续友谊，但是要让这个家伙知道这种行为不能接受。
This extension point enables extending not only views you created, but also views that don't know anything about what you are adding.
这个扩展点不仅允许扩展您所创建的视图，而且允许扩展对您所添加的东西毫不知情的视图。
This means delivering the truth, but only as much truth as a child needs to know.
这意味着要讲真话，而不仅仅是孩子们需要知道的那些真相。
I know that you might find yourself in a situation where this seems to be the only way to solve some weird information architectural corner case, but try your best to avoid it!
我知道你们有可能在一些情况上发现这是唯一能解决一些奇怪的信息架构问题的方式，但是请还是主动去避免！
I know that some felt the pace of the arguments was a little slow, but I felt that this was generally necessary, not only for the unphilosophy-savvy population, but also to cover all points.
我知道有人认为论证过程有点慢，但我感觉这样做总体上讲是有必要的，不只是为了不懂哲学的同学们，也是为了能覆盖所有推理内容
But I know at this time only they can help themselves.
但我知道此时他们只有互相帮助。
I know that Reader's Digest recommends bringing in a complete list of all your symptoms, but every time you do, it only reinforces my desire to quit this profession.
我知道读者文摘建议病人将他们的病症列成清单，但是每次你这么做，只会令我加强我退出这个行业的念头。
But did you know that this is only true up to about age 22?
但你知道这只是在大约22岁之前才是正确的吗？
Not only will you be able to know "who did this," but you will be able to define policy rules to prevent unforeseen problems in the future.
您不仅能够了解“谁做了这件事”，还能定义一些策略规则来防止将来出现不可预见的问题。
The next step in this example is not only to send back the updated item list, but also to provide status information letting the client know what the server did as shown in the following code listing.
本例的下一步不仅包括回发更新的项目列表，还包括提供状态信息，以使客户机了解服务器进行了怎样的操作，如以下代码清单所示。
We also know that findings from the only global study carried out so far showed that in some places perhaps as many as 19% of MDR-TB cases were in fact XDR-TB, but this is likely to be uncommon.
我们还知道，来自迄今开展的唯一全球研究的结果显示，在有些地方，也许多达19%的耐多药结核病例实际上是广泛耐药结核，但这可能是不寻常的。
She had no way to know that I was not only putting off this visit, but avoiding it.
她没办法知道我不但是在推迟这次探访，而且是在回避。
We know that this is so, but all too often we recognize this truth only in our backward glance when we remamber what was and then suddenly realize that it is no more.
虽然我们深知这就是生活本来的面目，但是我们总是在蓦然回首的瞬间，发现好景不再时我们才会领会到这一点。
"This is the only move you know, but this is the only move you'll ever need to know," the sensei replied.
“这是你唯一知道的招数，也是唯一你需要掌握的招数”老师回答到。
Answer: yes, but you only know this if you happened to have tried it previously.
答案是：是的，不过你不试试看是不会知道的。
Answer: yes, but you only know this if you happened to have tried it previously.
答案是：是的，不过你不试试看是不会知道的。
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