Sometimes they prevent firemen from doing their jobs.
VOA: special.2009.05.17
Why do people become firemen, policemen, soldiers, freedom fighters, all activities that cannot be explained in terms of self-interest alone?
不可能只用拿工资的理由,就能完全解释为什么总有人愿意做,消防员,警察,军人和争取自由的斗士?
Policemen, firemen, ambulance driver, all those sort of things.
比如警察、消防员、救护车司机,类似这些行业的人。
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