When you want to know if something is transparent to visible light or not, here is the mystery material and here is visible light.
当你想知道某物对可见光是否透明时，这里是神秘物质，这里是可见光。
When they get to know me and to trust me, knowing for sure I'm not selling them something—there'll be more honest feedback from them.
当他们开始了解我、信任我，并确信我不是在卖什么东西给他们时，他们会给出更诚实的反馈。
If you wouldn't want your class to know or see something, you shouldn't share it with anyone online, not even your best friends.
如果有些事情你不想让同学知道或是看到，你就不该在网上跟任何人哪怕是最好的朋友来分享。
But policymakers do not want to know whether something works in a few villages. They want to know whether it will work nationwide.
但是政策制定者没有兴趣知道那些只在一些乡村起作用的东西，他们想知道在全国范围内是否能奏效。
You cannot look up on Google something you do not know exists; and the ability to hold facts in your head is a prerequisite for many careers-the law, say, or engineering.
你不会去谷歌上查找你并不知其存在的东西；而脑袋里能记住一些事实的能力是从事许多职业的先决条件——比如说，法律或工程。
As if the light (though it seemed to me not so much light as pure color) were charged with something, I didn't know what, but it might well have been eternity.
那光亮仿佛(尽管对我来说那不像光那样纯正的色彩)由某种东西给充了电，我不知道那是什么，但那很可能是永恒的东西。
You should know your team well enough to know whether or not something like that would be positive reinforcement for them.
你必须对自己的团队有很好的了解，要弄清楚对于他们来说类似的东西是否真的可以起到正向强化的作用。
Grossman said that while this is not something to lose sleep over, people should know where their information is going.
格罗斯曼说，这虽然不是什么需要过分担心的事，但是人们应该知道他们的信息去了哪里。
We know that people often desire something but do not really want it. Don't be afraid to really want what you desire.
我们都知道，人们向往一件事的时候并不意味着能真的拥有它——不要害怕，去争取你所追求的东西吧！
They know not themselves, nor the aim of their wanderings; and, because they do not, they are ever apt to imitate something else.
它们对自己认识不清，也不清楚自己徘徊的目的；而且正因为它们不清楚，它们就易于老是模仿别人的东西。
As a physical therapist, Pitchford understands how to stretch correctly, something she claims not all runners know how to do.
作为一名物理治疗专家她知道如何正确的拉伸，她认为并非所有跑步者都知道如何去做。
If you find yourself e-mailing something you would not want your spouse to know, you are in danger of crossing a line.
如果你发现自己在发送一封你不希望你的配偶知道内容的电子邮件，那你处在越界的危险期。
Trust Your Gut. If you find yourself e-mailing something you would not want your spouse to know, you are in danger of crossing a line.
相信自己的直觉。如果你发现自己在发送一封你不希望你的配偶知道内容的电子邮件，那你处在越界的危险期。
It is horribly stressful to do something you know you're not good at.
知道你在做一些你不擅长的事，有一种令人感到恐惧的压力。
If you really just want to "vent" about something, let your boyfriend or husband know that in advance so that he knows not to interrupt with solutions to your problem.
如果你真的只想发泄下，提前让你的丈夫或者男友知道，这样他就不会打断你，试图解决你的问题了。
Doctors are supposed to know something you do not.
医生被期看知道一些你不知道的事情。
You may not know this, but most modern hard drives have something called a "write cache", used by the hard drive to collect pending write operations.
您可能不知道，但大多数新式硬盘有一个称为“写高速缓存”的东西，硬盘使用它来收集暂时被挂起的写操作。
This segment of the middle class may lack the gumption to expand their businesses, or perhaps they know something about their prospects that their cheerleaders do not.
中产阶层中的部分人也许缺乏扩大自己经营的进取心，或者，也许他们知道一些旁人并不知道的事情。
You know all those times people have told you not to do something, because it's "undefined behavior", or that you don't really need to know the internals?
您肯定碰到过这种情形，有人叫您不要做某事，因为它是 “没有先例的行为”，或者您真的不需要了解内幕。
This is true of your work on anosognosia - the idea of trying to devise a set of experiments to determine whether someone is pretending to not-know something.
你在病感失认症上所做的工作都是真实的——试着去发明一套试验来验证某人是不是假装不了解某些事情。
Now I know that just because something seems to make sense, doesn't mean that it's actually true. But that's not really the point.
现在我知道，并不能因为有些事情看上去合乎情理，就意味着它是真实的。但是这还不是关键。
Then, being careful not to judge or blame, let him know that the problem - whatever it may be - is something you will face together.
然后，千万不要乱下定论或出言责怪，要让他明白，不管是什么问题，你们都将一起面对。
I did not know who she was; I just felt that I urgently had to do something for her.
我不认识她。 我只是感觉到我迫切的希望为她做些什么。
She found many photographs of people she did not know, but there were some that meant something to her.
她发现很多不认识的人的照片，但还有一些照片触动了她。
Do not expect to get something in place within a few days or weeks, when you know it might take months to get agreement from all parties involved in some processes.
当您知道可能需要花费数月时间才能与涉及某些流程的各种团体达成协议时，就不要期望在数天或数周内达成。
Do not expect to get something in place within a few days or weeks, when you know it might take months to get agreement from all parties involved in some processes.
当您知道可能需要花费数月时间才能与涉及某些流程的各种团体达成协议时，就不要期望在数天或数周内达成。
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