比如,他们可以获得健康保险作为报酬的一部分——这笔费用可能要便宜一点,因为术后能获得严格体检的捐赠人们似乎要比那些拥有两只肾的人还要寿命更长一些。
They could, for instance, receive health insurance as part of their payment—which would be cheap because properly screened donors appear to live longer than the average Joe with two kidneys.
前两类机构提供的狗寿命可能更长,因为犬舍俱乐部的成员和买了宠物保险的主人可能会花更多钱来延长爱犬寿命。
The first two may be biased toward longer-living dogs, because owners who belong to clubs and buy insurance may spend more to prolong their pets' lives.
在实物保险箱及号码锁的安全措施之下,盗贼将需要近乎无限的耐心以及近乎无限的预期寿命,才能将各种排列组合的可能性从头到尾尝试一遍。
With a physical safe and a combination lock, the thieves would need nearly infinite patience and a nearly infinite life expectancy to work their way through the possibilities.
The real insurance industry, as I mentioned before, began in the 1600s with the invention of probability theory and with the invention of life tables for-- the invention of actuarial science; but, it grew slowly.
正如我刚才所提到的,真正的保险始于17世纪,这得益于概率论,寿命表以及,精算学的产生,但是,它的发展很缓慢
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