So, you can imagine in certain circumstances there would be guys that old back there, but fundamentally it's between 20 and 45.

所以你能想象,在某些情况下,也会有老年人,但基本上是二十到四十五岁的

耶鲁公开课 - 古希腊历史简介课程节选

So, the guys up front are going--the younger you are, chances are you're going to be more physically strong than older guys.

前排是较年轻的人,比老年人更加强健,就更有机会站到前排

耶鲁公开课 - 古希腊历史简介课程节选