And last is cost, last is cost; hydrogen is not cheap.

最后一点是价格，最后一点是价格;,氢气不便宜。

麻省理工公开课 - 固态化学导论课程节选

So, the broker calls you up and says, you're the last guy, you have the last one hundred shares in Google and Google wants to buy them and we'll give you $500 a share.

经纪人给你打电话说就差你一个了,你有谷歌最后的一手股票,谷歌想以500美元每股的价格买回来

耶鲁公开课 - 金融市场课程节选

It's going to be that if my preferred beer flavor is here say, this is me, my preferred beer flavor is here, then if I end up having to consume Guinness, I have to pay the price of Guinness and I also incur some costs because Guinness isn't the perfect beer for me, it's a little bit too strong.

它变成,如果我喜爱的啤酒味道,如果是我的话,我喜欢的啤酒味道在这,然后如果我最后不得不选择吉尼斯,我必须要支付吉尼斯的价格并且,我还会支出一些成本,因为吉尼斯不是我最爱的啤酒,它太强了

耶鲁公开课 - 博弈论课程节选