In the desert, operating costs are high because water is scarce, and the seed-eating ants that I study in the desert have to spend water to get water.
在沙漠中, 水非常的稀少, 所以运营开支很大, 我研究的一种生活在沙漠中以植物种子为食的蚂蚁 寻找水源的同时需要消耗水.