We are genetically programmed to like sweet things, and when people become more affluent, they consume more sugar. The resulting increase in sugar prices has led producers to seek more land on which to grow sugarcane.
我们喜欢甜的，这是基因决定的，而当我们衣食无忧时，就会消费更多的糖。结果是糖价上涨，导致生产商寻找更多的土地种植糖类作物。