阿富汗战争造成美军伤亡人数比前几场战争都要少，但人力成本仍然非常巨大 — — 特别是在考虑到阿富汗方面的伤亡后。
While the war in Afghanistan may have resulted in fewer American deaths and injuries than previous US wars, the human cost remains substantial – especially after factoring in Afghan deaths and injuries.