我们今天用小型挖土机所干的活，若是用镐和铲子，十几个人得花四个月才能完成。
It would have taken a dozen men with picks and shovels three months to do what we've done today, with this earth-moving machine.
我们今天用小型挖土机所干的活，若是用镐和铲子，十几个人得花四个月才能完成。
It would have taken a dozen men with picks and shovels three months to do what we've done today, with this earth-moving machine.
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