If they do make big bets maybe they get lucky once, or twice,or three times, but ultimately their luck is going to run out.

搏大了,可能会侥幸那么一次,两次或三次,但最终运气是会用完的

耶鲁公开课 - 金融市场课程节选

These cubs are not going to survive once they are born so the female's best strategy is to get rid of them and start anew.

一旦幼仔出生后不能生存,雌狮的最好方式,是摆脱掉它们，开始新生活。

耶鲁公开课 - 心理学导论课程节选