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

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

These are such, sort of, cliched southernisms that you start to see this character as a caricature. He is very hard to see as a human being.

原来的地方，这是典型的南方陈词滥调，你开始发现,这个角色的滑稽之处，他很难被当做是人。

耶鲁公开课 - 1945年后的美国小说课程节选

if you really have some trouble with DVD then Ok, put it in and if I'm not back start it anyhow and I'll try very hard to be here in the meantime,could you make out the card

如果有什么问题的话,如果我没及时赶过来的话，下次把它先放一下,无论如何把它放了，我下次也尽量赶过来,啊，你看一下这个卡

麻省理工公开课 - 电影哲学课程节选

We want to health care work, for people and businesses, s hard to know where to start.

我们希望医疗体系，为民众和企业服务，哦，这个话题很大，不知从何说起，Oh，，my，，it’

斯坦福公开课 - 经济学课程节选

So essentially, each of these orbitals come from linear combinations of all of the original orbitals, and it's hard to picture exactly how that happens, but one that you can at least start to get an idea is if you think about combining the 2 s and the 2 p z here, which is not quite accurate because of course, we're combining all of them.

本质上，这些轨道每个都来,自原来所有轨道的线性组合，我们很难想象这是怎么发生的，但你们可以至少有个概念,如果你们考虑2s和2pz轨道的结合，这当然是不太准确的，因为我们要把所有的都组合起来。

麻省理工公开课 - 化学原理课程节选