So you try, if you can grow grain on your land or you grow it where you can, if not, you have to get it elsewhere.

所以你要有一个,如果你的土地适合耕种谷物,或者其它任何可以生产谷物的地方,如果不能,你就必须换个地方了

耶鲁公开课 - 古希腊历史简介课程节选

That's a little bit of a tricky question but-- So, do the best you can on it and think-- try to think about what this kind of theory would imply for gambling behavior.

这个问题有些难度,但是...,尽力思考这个问题,思考下这一理论,该如何应用到赌博行为上去

耶鲁公开课 - 金融市场课程节选