They demanded that the mortgages be self-amortizing -this is what came in in 1933.

他们希望抵押贷款能够分期偿还,1933年这个要求得以实现

耶鲁公开课 - 金融市场课程节选

So homeostasis is enabled by sometimes complex, sometimes very simple control mechanisms.

通过一些或复杂或简单的机制,使内稳态得以实现

耶鲁公开课 - 生物医学工程探索课程节选

And,so,instead of having where before you had something like one- hundred tolls you had to pay on the Loire River, if you're transporting some goods, they eliminate all those tolls, they try to create uniform weights and measures, and that'll take one-hundred years before that really works.

相对于从前,诸如你想,通过卢瓦尔河运输货物,你必须支付一百元的过路费,他们取消了所有此类收费,他们尝试建立统一的度量单位,这些想法在一百年之后才得以实现

耶鲁公开课 - 1871年后的法国课程节选

I want to say a little bit about the cost of vaccines because this is a part of what makes it difficult to accomplish what's usually our goal in a vaccine development, which is deliver the vaccine to every population in the world.

我想谈谈关于疫苗的成本,因为这是令我们的疫苗发展目标,无法得以实现的困难之一,这个目标就是将疫苗送至世界上每一个人

耶鲁公开课 - 生物医学工程探索课程节选