That creates a problem in the genetic code in that there's 64 possible sequences but there's only 20 some amino acids, so each amino acid can be specified by more than one codon.

这里有个问题,遗传密码有六十四种可能的序列,而只有二十种氨基酸,因此每种氨基酸都有,不止一种密码子与之对应

耶鲁公开课 - 生物医学工程探索课程节选

This is something that's very important in the United States because, as I mentioned, insurance regulation is divided up over the fifty states and the problem that that creates is-- it's a nightmare for insurance companies because every different state has different laws.

在美国,这个协会是非常重要的,因为,就像我所提及的,保险监管被分散到了五十个州,这对任何一个保险公司而言,都是一个噩梦,因为各州法律各有不同

耶鲁公开课 - 金融市场课程节选