So if you can make 100 tons of the drug but it costs $100,000 a gram that might not be a useful drug because nobody could afford to use it.

虽然你能制造一百吨药,但每克药得十万美元,这药就没什么用,因为没人能用得起它

耶鲁公开课 - 生物医学工程探索课程节选

That's because nobody trusted these banks they could go under any day and so they tended to sell at a discount.

那是因为没有人信任这些银行,它们可能在任何一天倒闭,所以它们倾向折价卖纸币。

耶鲁公开课 - 金融市场课程节选

That is to say, it was some kind of a big religious thing going on here, where the king-- it was obviously a royal thing because the cost of it was so enormous; nobody else could afford a tomb of that kind.

也就是说,蜂窝墓与庞大的宗教行为有关,很显然与皇室相关,这是国王所埋葬的地方,因为建造它耗资巨大,没有其他人能建造的起这种墓穴

耶鲁公开课 - 古希腊历史简介课程节选