But these days you pay for it which is why you get SSDs, you're paying several hundred dollars more.

但是现在你购买固态硬盘，需要多花费几百美元。

哈佛公开课 - 计算机科学课程节选

Stuff that the eighteenth century farmer made for him and herself now you bought from a peddler or you bought from a store in town.

8世纪的农民,自给自足的东西,现在他们从商贩那儿购买,或者到城里的商店购买

耶鲁公开课 - 美国内战与重建课程节选

If you own stock-- we don't get them in the mail anymore because you own it through some brokerage account and you get it on a website.

如果你有股票...,我们现在不通过挂号信了,因为人们都通过经纪人账户,在网站上购买股票

耶鲁公开课 - 金融市场课程节选

So, I said, okay, I didn't want to assume so we clicked senior and frankly it was then a dead end because apparently to get some senior discount you need to have some special pass or something like this that we didn't have and yet that certainly wasn't obvious here so now we together and this person in particular had to figure out how you go back and then restart this process.

我说，好的，我不希望揣测，所以我点击了老人票,然后问题就来了，因为似乎,需要特殊的号码之类的东西来购买老年票,但是我们没有,明显我们不应该走这步,现在我们一起必须找出,怎样返回，然后重新开始这个步骤。

哈佛公开课 - 计算机科学课程节选