I think you will find some combination, if you're sort of typical, but that combination doesn't ever have to be fifty-fifty, and I'm sure it very rarely is.

我认为如果你是典型西方人的话,你会发现它们之间的一些关联,但是它们的组合永远都不必是五五开,并且我确信五五开的情况是极少的

耶鲁公开课 - 古希腊历史简介课程节选