You can't fight as a hoplite, in other words, unless you can afford to pay for your equipment and that excludes a goodly number of citizens who are too poor to fight in the phalanx.

换句话说,你不能加入步兵方阵,除非你自己能出钱买装备,这样有相当多的公民,会因为贫穷无法在方阵中战斗

耶鲁公开课 - 古希腊历史简介课程节选