For every acre of rain forest chopped down annually, more than 50 acres are growing back on previously ravaged tropical land, according to one estimate.
据一份评估报告称，每年有一英亩的热带雨林被砍伐，就会有五十英亩的树林重新种回到原来的土地。
According to the journal Soil and Water, one acre of land could produce 50, 000 pounds of tomatoes, 40, 000 pounds of potatoes, 30, 000 pounds of carrots or just 250 pounds of beef.
据该土壤和农业用水的记录：一英亩的土地，可以产生50000磅的西红柿，40000磅的马铃薯，30000磅的胡萝卜或者仅仅250磅的牛肉。
Wu said that his family has one-third of an acre of land at home and that that is not enough to feed his family, "so going home, we'd still go hungry."
吴凯凌说他家里有两亩田地，但是无法养活他的家庭，“所以，回家照样挨饿。”
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