有几世纪的古老的开拓地的方法如下?修建水渠，封闭后再将水用水泵抽干，以用来开垦土地。
Then the centuries-old polder method was followed - building and pumps out the water enclosed in order to reclaim the land.
为了我们，他们开拓西部，在条件恶劣的工厂中流血流汗；他们忍受鞭笞，开垦贫瘠的土地。
For us, they toiled in sweatshops and settled the West; endured the lash of the whip and plowed the hard earth.
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