Because if you just have random bones lying around, it's hard for someone to come in and look at it and understand what the animal looked like in its entirety.

VOA: standard.2009.12.08

This decision is also hard to make because when you are a backend technology provider, it's like selling a piece of commodity.

之所以这是一个困难的决定还因为,当作为后台技术提供商时，就像出售一件商品似的。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

You're talking to your co-worker and your co-worker says "Oh, it's because you're so hard working."

你跟你的同事提到的时候，你的同事会说，“哦，这是因为你工作太卖力了。”

That's why 课堂 - SpeakingMax英语口语达人

All right so it has to live in RAM as opposed to the hard drive because otherwise things would be terribly slow as you know so it's much better if your programs live while they're running in RAM and they end up in what's called the tech segment.

好的，它存在内存中，而不是硬盘中,因为，否则程序会非常的缓慢,程序在内存中运行会好得多,它们在技术段,的地方结束。

哈佛公开课 - 计算机科学课程节选

Because it's hard when you go back being part of any group. Once you are in that group, and away from other people, it's very hard to remember We've talked that -Oh, have you?

因为如果你回到原来的群体中,就会变得难了，因为你只要一呆在那个群体中，远离其他人，就很难,我们聊过这个，-是吗？

普林斯顿公开课 - 人性课程节选

It's very hard to start an insurance company because you've got to meet the requirements of all fifty regulators.

开办保险公司是非常不容易的,因为你必须同时满足五十个州的监管要求

耶鲁公开课 - 金融市场课程节选

If you take newborn babies-- It's very hard to do research with newborn babies actually because of the consent procedure and everything, so most of this work is done in France, where they have no laws at all.

如果你去找些新生儿,由于知情同意书以及其他的问题,研究新生儿实际上是非常困难的,因此大部分的研究都是在法国进行的,因为法国并没有任何与此有关的法规

耶鲁公开课 - 心理学导论课程节选

When, you know, studies is like getting really hard because it's like midterm time or final time.

每当期中或期末考试来临，功课很难的时候，

想吃中餐的时候 - SpeakingMax英语口语达人

Well, now one of the things farmers in history discovered is that it's very hard to do well as a farmer if all you do is grow the crops, because people normally don't use what you grow in the form in which you grow it.

关于农民我们在历史上能够得知的一件事是,当好农民很困难,特别是只种农作物的农民,因为人们一般不会将,你从地里种出来的东西留作种子

耶鲁公开课 - 古希腊历史简介课程节选

you've made it. Because it's an extremely hard place to support yourself.

你就成功了。因为在这个地方真的很难养活自己。

上西区的富人 - SpeakingMax英语口语达人

For a couple of reasons. In some ways, this would be nicer, do expected cases, it's going to tell you on average how much you expect to take, but it tends to be hard to compute, because to compute that, you have to know a distribution on input.

关注最快的情况，在某种意义上来说，因为一些原因这样想挺不错的，当我们处理一个给定的问题,计算平均时间的时候,是很难计算的，因为你并不知道输入的分布情况,这些输入会是怎么样的呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

And if they're a premade salad then it would be even more difficult because you're not constructing it yourself, so it's hard to uses based on these sort of things.

如果那是预制色拉,就更麻烦了,因为那不是你做的,就很难进行统计

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Because you see that your brother is working so hard.

因为你看到你的弟弟学得很认真。

Don't 课堂 - SpeakingMax英语口语达人

And this is because as you start writing--saving files to your hard drive, what happens is you might save this file here, then this one, then this one, then this one, but very reasonably you might go back eventually and delete this one.

这是因为当你开始对硬盘驱动器进行读写时,你可以保存一个文件到磁盘的某处，然后再一个，再一个，又一个，最后你可能回到这,并删除这一个文件。

哈佛公开课 - 计算机科学课程节选

Some customers want to use your safe because safes are hard and expensive to get and some -and then you've got all this gold, so you might as well lend it out.

顾客需要使用你的保险箱,因为对个人而言保险箱既昂贵又难以获得,这样你就拿到他们的金子,然后你可以把金子借出去

耶鲁公开课 - 金融市场课程节选

And I can be that standing in my own faith because really what you become is an example, a model of an engaged faithful person who is now working so hard to bring people different religion traditions together."

我能坚持自己的信仰,因为你成为的那个人是,一个有信仰的人，他正在致力于,使不同的宗教传统融合“

普林斯顿公开课 - 人性课程节选

This proves to be really difficult in the real world because in the real world it's hard to pull apart genes and environments So, you and me will have different personalities ? Why?

这在现实中是很难区分的,因为现实中很难,把基因和环境分开来讲,你和我有不同的性格,为什么？

耶鲁公开课 - 心理学导论课程节选

I think it's very hard to raise the definition of accredited investors because the minute you do that you're closing large numbers of people out from their ability to invest in hedge funds and they don't like that; they feel insulted, so there was a lot of angry reaction.

我认为要提高,合资格投资者的门槛很难,因为一旦实施,大量的投资者将被拒之门外,这些有能力投资对冲基金的人们,可不会开心,他们会觉得被侮辱了并因此而恼怒

耶鲁公开课 - 金融市场课程节选

And my real answer is, go try it out, because obviously you can tell I frequently do this the wrong way and the TAs give me a hard time every time. John.

你可以，而我真正的答案是去试一试吧,因为很明显你可以发现我老是做错,而我的助教总是给我难堪，约翰。

麻省理工公开课 - 计算机科学及编程导论课程节选

comes from flawed reports of what people eat, because in order to know what people eat you have to ask them, and even if people are really trying hard to be truthful, it's not the easiest thing to do.

这些信息来自于关于人们饮食缺陷的报告,因为你必须询问人们,吃了什么,尽管人们会尽量实事求是,但这很难做到

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选