For Eleanor Creesy to learn the correct position of the ship each day, she had to be able to see the sun, the moon or stars.

VOA: special.2009.12.23

So whatever 1/17th of a $1, roughly $.05 for each position away.

不论1美元的1/17是多少,大概是每个位置价值5美分

耶鲁公开课 - 博弈论课程节选