The war cost an enormous sum of money.

那场战争消耗大量的金钱。

Thanks to Polk's economic reforms the US could pay for, upfront for 60% of the war's costs.

由于波尔克的经济改革美国能够支付，预付战争60%的开销。

One day of war costs more money than one space mission. But war goes on and on for days.

一日军费比太空任务的费用要多得多。但是战争会持续很长时间。

Any species that causes huge damage to our environment, can't feed itself even though it has enough food, and fights countless wars costing millions of lives must surely benefit from an intelligence upgrade.

任何对我们的环境造成巨大破坏的物种，即使有足够的食物也无法养活自己的物种，以及在无数次战争中牺牲数百万生命的物种，肯定都会从智力升级中受益。