两位距现在更近的经济学家，帕努•普特瓦阿拉和安德里亚斯•瓦格纳说，让年轻人当兵就像“强迫所有公民去做护士、心脏外科医生或者教师”一样奇怪。

More recently two economists, Panu Poutvaara and Andreas Wagener, said making young people become soldiers was as odd as “forcing all citizens to work as nurses, heart surgeons or teachers.”

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So within a couple of generations people could move up from being the lowest slaves to two generations of being free Roman citizens.

所以几代以内,奴隶能从最低社会等级,上升两位，成为自由的罗马公民。

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