Two rails every 30 seconds,one on each side.

每30秒向两边各铺设一段铁轨
Four rails to the minute.

1分钟就铺设好4段
Three strokes per spike,ten spikes per rail.

每个道钉打3下每段铁轨装10个道钉
Four hundred rails to the mile.

一英里用400段铁轨
lt's 1 ,800 miles to San Francisco.

距离旧金山有1800英里
Twenty-one million times they got to swing those hammers.

就是说你要挥动2千1百万次锤头
Listen to that sound.

听那声音
That's money.

那是金币的响声
Money.

钱
lt won't be long before this enterprise gets beyond the reach of any town.

过不了多久这项工程就会深入到远离城镇的地方
And men deprived of their diversions are inclined to get restless.

那样就会夺走大家的欢乐而让我们不停的工作
So if they can't come to town,

所以如果他们去不了城镇