Dont plan on homesteading on Mars any time soon, though.

但千万别计划很快在火星上建造家园。

By World War I new lands for homesteading were practically unavailable.

到了第一次世界大战前夕,已经没有新的土地可分配给移民作宅地了.

As a matter of fact, the government still has lands for homesteading which it disposes of at the rate of forty thousand to fifty thousand acres a year.

实际上，政府仍有土地用于自耕农场，每年大约卖掉四五万英亩。